VANGUARD OHIO TAX FREE FUND
497, 1996-04-03
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<PAGE>

==============================================================================

 
                      SECURITIES AND EXCHANGE COMMISSION 
 
                            Washington, D.C. 20549 


 
                                  FORM N-1A 


 
                 REGISTRATION STATEMENT (NO. 33-34261) UNDER 
                           THE SECURITIES ACT OF 1933 
                         PRE-EFFECTIVE AMENDMENT NO.   
                        POST-EFFECTIVE AMENDMENT NO. 6 
                                     AND 
             REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY 
                                 ACT OF 1940 
                                AMENDMENT NO. 7 



 
                                VANGUARD OHIO 
                                TAX-FREE FUND 
              (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER) 


 
                                P.O. BOX 2600 
                            VALLEY FORGE, PA 19482 
                   (ADDRESS OF PRINCIPAL EXECUTIVE OFFICE) 


 
                 REGISTRANT'S TELEPHONE NUMBER (610) 669-1000 
 
 
                        RAYMOND J. KLAPINSKY, ESQUIRE 
                                 P.O. BOX 876 
                            VALLEY FORGE, PA 19482 


    
It is hereby requested that this filing become effective on March 29, 1996, 
pursuant to paragraph (b) of Rule 485. 

    
Approximate Date of Proposed Public Offering: As soon as practicable after 
this Registration Statement becomes effective*. 

    
Registrant elects to register an indefinite number of shares pursuant to 
Regulation 24f-2 under the Investment Company Act of 1940. Registrant filed 
its Rule 24f-2 Notice for the year ended November 30, 1995 on January 25, 
1996. 

==============================================================================

<PAGE>



                         VANGUARD OHIO TAX-FREE FUND 
 
                            CROSS-REFERENCE SHEET 

<TABLE>
<CAPTION>


Form N-1A Item 
    Number                                                             Location in Prospectus 
<S>                       <C>                                          <C>                             
   Item 1.              Cover Page ................................    Cover Page 
   Item 2.              Synopsis ..................................    Not Applicable 
   Item 3.              Condensed Financial Information ...........    Financial Highlights 
   Item 4.              General Description of Registrant .........    Investment Objective; Investment 
                                                                       Limitations; Investment Policies; 
                                                                       General Information 
   Item 5.              Management of the Fund ....................    Trustees and Officers; Management of 
                                                                       the Fund 
   Item 6.              Capital Stock and Other Securities ........    Opening an Account and Purchasing Shares; 
                                                                       Selling Your Shares; The Share Price of Each 
                                                                       Portfolio; Dividends, Capital Gains and Taxes; 
                                                                       General Information 
   Item 7.              Purchase of Securities Being Offered ......    Cover Page; Opening an Account and Purchasing 
                                                                       Shares 
   Item 8.              Redemption or Repurchase ..................    Selling Your Shares 
   Item 9.              Pending Legal Proceedings .................    Not Applicable 

Form N-1A Item                                                         Location in Statement 
    Number                                                             of Additional Information 
   Item 10.             Cover Page ................................    Cover Page 
   Item 11.             Table of Contents .........................    Cover Page 
   Item 12.             General Information and History ...........    Management of the Fund 
   Item 13.             Investment Objective and Policies .........    Investment Limitations 
   Item 14.             Management of the Fund ....................    Management of the Fund; Investment Management 
   Item 15.             Control Persons and Principal Holders of         
                        Securities ................................    Management of the Fund 
   Item 16.             Investment Advisory and Other Services ....    Management of the Fund; Investment Management 
   Item 17.             Brokerage Allocation ......................    Not Applicable 
   Item 18.             Capital Stock and Other Securities ........    Financial Statements 
   Item 19.             Purchase, Redemption and Pricing of              
                        Securities Being Offered ..................    Purchase of Shares; Redemption of Shares 
   Item 20.             Tax Status ................................    Appendix 
   Item 21.             Underwriters ..............................    Not Applicable 
   Item 22.             Calculations of Yield Quotations of Money        
                        Market Fund ...............................    Calculation of Yield 
   Item 23.             Financial Statements ......................    Financial Statements

</TABLE>

<PAGE>

==============================================================================
   Vanguard
    OHIO 
 TAX-FREE FUND                                   A Member of The Vanguard Group
                                                
==============================================================================
 
PROSPECTUS-March 29, 1996 
- ------------------------------------------------------------------------------ 
NEW ACCOUNT INFORMATION: Investor Information Department-1-800-662-7447 (SHIP) 
- ------------------------------------------------------------------------------ 
SHAREHOLDER ACCOUNT SERVICES: Client Services Department-1-800-662-2739 (CREW)
- ------------------------------------------------------------------------------ 
INVESTMENT 
OBJECTIVE & 
POLICIES            Vanguard Ohio Tax-Free Fund (the "Fund") is an open-end
                    non-diversified investment company that seeks to provide
                    income that is exempt from federal and Ohio personal income
                    taxes. The Fund will invest primarily in securities issued
                    by Ohio state and local governments and public financing
                    authorities, but may also invest in securities of issuers
                    other than Ohio and its political subdivisions. The Fund
                    consists of a Money Market Portfolio and an Insured
                    Long-Term Portfolio, each of which has distinct investment
                    objectives and policies. The Money Market Portfolio seeks to
                    maintain, but does not guarantee, a constant net asset value
                    of $1.00 per share. The Portfolios are available only to
                    Ohio residents. Although the Money Market Portfolio invests
                    in high quality instruments, the shares of the Portfolio are
                    neither insured nor guaranteed by any agency of the U.S.
                    government, including the FDIC.
- -------------------------------------------------------------------------------
 
OPENING AN 
ACCOUNT             Please complete and return the Account Registration Form. If
                    you need assistance in completing this Form, please call our
                    Investor Information Department, Monday through Friday, from
                    8:00 a.m. to 9:00 p.m. and Saturday, from 9:00 a.m. to 4:00
                    p.m. (Eastern time). The minimum initial investment is
                    $3,000 for each Portfolio or $1,000 for Uniform
                    Gifts/Transfers to Minors Act accounts. The Fund is offered
                    on a no-load basis (i.e., there are no sales commissions or
                    12b-1 fees). However, the Fund incurs expenses for
                    investment advisory, management, administrative, and
                    distribution services.

- ------------------------------------------------------------------------------
ABOUT THIS 
PROSPECTUS          This Prospectus is designed to set forth concisely the
                    information that you should know about the Fund before you
                    invest. It should be retained for future reference. A
                    "Statement of Additional Information" containing additional
                    information about the Fund has been filed with the
                    Securities and Exchange Commission. This Statement is dated
                    March 29, 1996, and has been incorporated by reference into
                    this Prospectus. It may be obtained, without charge, by
                    writing to the Fund or by calling the Investor Information
                    Department.



<PAGE>



TABLE OF CONTENTS 
                                               Page 
Fund Expenses ..............................      2 
Financial Highlights .......................      2 
Yield and Total Return .....................      4 
              FUND INFORMATION 
Investment Objective .......................      4 
Investment Policies ........................      5 
Investment Risks ...........................      7 
Who Should Invest ..........................      9 
How to Compare Tax-Free and Taxable Yields .     10 
Implementation of Policies .................     11 
Investment Limitations .....................     16 
Management of the Fund .....................     16 
Investment Adviser .........................     17 
Dividends, Capital Gains and Taxes .........     18 
The Share Price of Each 
  Portfolio  ................................    19 
General Information ........................     21

 
                                               Page 
              SHAREHOLDER GUIDE 
Opening an Account and 
  Purchasing Shares  ........................    22 
When Your Account Will Be Credited .........     25 
Selling Your Shares ........................     26 
Exchanging Your Shares .....................     29 
Important Information About Telephone 
  Transactions  .............................    30 
Transferring Registration ..................     31 
Other Vanguard Services ....................     31


- ------------------------------------------------------------------------------
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION, NOR HAS THE SECURITIES
AND EXCHANGE COMMISSION OR ANY STATE COMMISSION PASSED UPON THE ACCURACY OR
ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL
OFFENSE.
- ------------------------------------------------------------------------------
<PAGE>
                                        

FUND EXPENSES       The following table illustrates all expenses and fees that
                    you would incur as a shareholder of the Fund. The expenses
                    and fees set forth in the table are for each Portfolio's
                    1995 fiscal year.


                                                       Money           Insured 
                                                      Market          Long-Term 
Shareholder Transaction Expenses                     Portfolio        Portfolio 
- -------------------------------------------------------------------------------
Sales Load Imposed on Purchases  ......                 None            None 
Sales Load Imposed on Reinvested 
 Dividends ............................                 None            None 
Redemption Fees*  .....................                 None            None 
Exchange Fees  ........................                 None            None




                                           Money                  Insured 
                                          Market                 Long-Term 
Annual Fund Operating Expenses           Portfolio               Portfolio 
- -------------------------------------------------------------------------------
Management & Administrative Expenses  ..          0.15%               0.16% 
Investment Advisory Expense  ...........          0.01                0.01  
12b-1 Fees  ............................          None                None 
Other Expenses 
   Distribution Costs ..................  0.03%              0.02% 
   Miscellaneous Expenses ..............  0.02               0.02  
   Fund Insurance ......................  None               0.00  
                                          -----              -----
Total Other Expenses  ..................          0.05               0.04  
                                                  ----              -----
    Total Operating Expenses  ..........          0.21%              0.21%
                                                  =====             =====

*Wire redemptions under $5,000 are subject to a $5 charge.

The purpose of this table is to assist you in understanding the various costs
and expenses that you would bear directly or indirectly as an investor in the
Fund.

The following example illustrates the expenses that you would incur on a $1,000
investment over various periods, assuming (1) a 5% annual rate of return and (2)
redemption at the end of each period. As noted in the table above, the Fund
charges no redemption fees of any kind.


                                  1 Year     3 Years     5 Years     10 Years 
                                 --------   ---------    ---------   ---------- 
Money Market Portfolio  .....       $2         $7          $12          $27 
Insured Long-Term Portfolio..       $2         $7          $12          $27
                                    
This example should not be considered a representation of future expenses or
performance. Actual expenses may be higher or lower than those shown.

- ------------------------------------------------------------------------------
FINANCIAL 
HIGHLIGHTS          The following financial highlights for a share outstanding
                    throughout each period have been audited by Price Waterhouse
                    LLP, independent accountants, whose report thereon was
                    unqualified. This information should be read in conjunction
                    with the financial statements and notes thereto, which,
                    together with the remaining portions of the Fund's 1995
                    Annual Report to Shareholders, are incorporated by reference
                    in the Statement of Additional Information and this
                    Prospectus, and which appear, along with the report of Price
                    Waterhouse LLP, in the Fund's 1995 Annual Report to
                    Shareholders. For a more complete discussion of the Fund's
                    performance, please see the Fund's 1995 Annual Report to
                    Shareholders, which may be obtained without charge by
                    writing to the Fund or by calling our Investor Information
                    Department at 1-800-662-7447.

2
<PAGE>
                                                            
   


                                            -------------------------------- 
                                                 MONEY MARKET PORTFOLIO 
                                            --------------------------------
                                                            
                                                Year Ended November 30, 
                                            -------------------------------- 
                                               1995       1994        1993 
- ---------------------------------------------------------------------------- 
Net Asset Value, Beginning of Period  ....    $1.00      $1.00       $1.00 
                                                        --------    -------- 
Investment Operations 
   Net Investment Income .................     .037       .026        .023 
   Net Realized and Unrealized Gain (Loss) 
     on Investments  .....................       --         --          -- 
                                             --------   --------    -------- 
    Total from Investment Operations .....     .037       .026        .023 
- ---------------------------------------------------------------------------- 
Distributions 
   Dividends from Net Investment Income ..    (.037)     (.026)      (.023) 
   Distributions from Realized Capital 
     Gains  ..............................       --         --          -- 
                                             --------   --------    -------- 
    Total Distributions ..................    (.037)     (.026)      (.023) 
- ---------------------------------------------------------------------------- 
Net Asset Value, End of Period  ..........    $1.00      $1.00       $1.00 
- ---------------------------------------------------------------------------- 
Total Return  ............................     3.78%      2.58%       2.37% 
============================================================================
Ratios/Supplemental Data 
Net Assets, End of Period (Millions)  ....     $178       $147        $132 
Ratio of Expenses to Average Net Assets  .      .21%       .23%        .21% 
Ratio of Net Investment Income to Average 
   Net Assets ............................     3.71%      2.56%       2.34% 
Portfolio Turnover Rate  .................      N/A        N/A         N/A 

   
                     (RESTUBBED TABLE CONTINUED FROM ABOVE)
   



                                             ---------------------------------
                     
                                                                      June 18+ 
                                                                         to 
                                                                      Nov. 30, 
                                               1992       1991          1990 
                                             --------------------------------- 
Net Asset Value, Beginning of Period  ....    $1.00      $1.00         $1.00 
                                             --------   --------    ----------
Investment Operations 
   Net Investment Income .................     .030       .045          .027 
   Net Realized and Unrealized Gain (Loss) 
     on Investments  .....................       --         --            -- 
                                             --------   --------    ----------
    Total from Investment Operations .....     .030       .045          .027 
- ------------------------------------------------------------------------------ 
Distributions 
   Dividends from Net Investment Income ..    (.030)     (.045)        (.027) 
   Distributions from Realized Capital 
     Gains  ..............................       --         --            -- 
                                             --------   --------    ----------
    Total Distributions ..................    (.030)     (.045)        (.027) 
- ------------------------------------------------------------------------------ 
Net Asset Value, End of Period  ..........    $1.00      $1.00         $1.00 
==============================================================================
Total Return  ............................     3.01%      4.64%         2.59% 
==============================================================================
Ratios/Supplemental Data 
Net Assets, End of Period (Millions)  ....      $92        $79           $37 
Ratio of Expenses to Average Net Assets  .      .31%       .26%          .23%*
Ratio of Net Investment Income to Average 
   Net Assets ............................     2.95%      4.45%         5.65%*
Portfolio Turnover Rate  .................      N/A        N/A           N/A 

*Annualized. 
+Commencement of operations. 
- ------------------------------------------------------------------------------

    

<PAGE>


                                            -------------------------------- 
                                               INSURED LONG-TERM PORTFOLIO 
                                            -------------------------------- 
                                                            
                                                 Year Ended November 30, 
                                            -------------------------------- 
                                                1995       1994        1993 
- ---------------------------------------------------------------------------- 
Net Asset Value, Beginning of Period  ....    $10.28     $11.61      $11.07 
                                             --------   ---------    ------- 
Investment Operations 
   Net Investment Income .................      .610       .599        .608 
   Net Realized and Unrealized Gain (Loss) 
     on Investments  .....................     1.350     (1.298)       .685 
                                             --------   ---------    ------- 
     Total from Investment Operations ....     1.960      (.699)      1.293 
- ---------------------------------------------------------------------------- 
Distributions 
   Dividends from Net Investment Income ..     (.610)     (.599)      (.608) 
   Distributions from Realized Capital 
     Gains  ..............................        --      (.032)      (.145) 
                                             --------   ---------    ------- 
     Total Distributions .................     (.610)     (.631)      (.753) 
- ---------------------------------------------------------------------------- 
Net Asset Value, End of Period  ..........    $11.63     $10.28      $11.61 
============================================================================
Total Return  ............................     19.45%     (6.29)%     12.03%
============================================================================
Net Assets, End of Period (Millions)  ....      $197       $149        $166 
Ratio of Expenses to Average Net Assets  .       .21%       .23%        .21% 
Ratio of Net Investment Income to Average 
   Net Assets ............................      5.45%      5.38%       5.29% 
Portfolio Turnover Rate  .................         7%        16%         10% 


<PAGE>
   
                     (RESTUBBED TABLE CONTINUED FROM ABOVE)
   

                                             ----------------------------------
                                                                      June 18+ 
                                                                         to   
                                                                      Nov. 30, 
                                               1992       1991          1990 
                                             ----------------------------------
Net Asset Value, Beginning of Period  ....    $10.60     $10.30        $10.00 
                                             --------   --------    ----------
Investment Operations 
   Net Investment Income .................      .630       .650          .295 
   Net Realized and Unrealized Gain (Loss) 
     on Investments  .....................      .474       .300          .300 
                                             --------   --------    ----------
        Total from Investment Operations .     1.104       .950          .595 
- ------------------------------------------------------------------------------- 
Distributions 
   Dividends from Net Investment Income ..     (.630)     (.650)        (.295)
   Distributions from Realized Capital 
     Gains  ..............................     (.004)        --            -- 
                                             --------   --------    ----------
     Total Distributions .................     (.634)     (.650)        (.295)
- ------------------------------------------------------------------------------- 
Net Asset Value, End of Period  ..........    $11.07     $10.60        $10.30 
===============================================================================
Total Return  ............................     10.69%      9.50%         6.04%
===============================================================================
Net Assets, End of Period (Millions)  ....      $101        $61           $17 
Ratio of Expenses to Average Net Assets  .       .31%       .27%          .22%* 
Ratio of Net Investment Income to Average 
   Net Assets ............................      5.77%      6.20%         6.55%* 
Portfolio Turnover Rate  .................        27%        20%            2% 


*Annualized. 
+Commencement of operations. 
- ------------------------------------------------------------------------------  
                                                                             3


<PAGE>


YIELD AND
TOTAL RETURN        From time to time a Portfolio of the Fund may advertise its
                    yield and total return. Both yield and total return figures
                    are based on historical earnings and are not intended to
                    indicate future performance. The "total return" of a
                    Portfolio refers to the average annual compounded rates of
                    return over one-, five- and ten-year periods or over the
                    life of a Portfolio (as stated in the advertisement) that
                    would equate an initial amount invested at the beginning of
                    a stated period to the ending redeemable value of the
                    investment, assuming the reinvestment of all dividend and
                    capital gains distributions.

                    In accordance with industry guidelines set forth by the U.S.
                    Securities and Exchange Commission, the "30-day yield" of
                    the Insured Long-Term Portfolio is calculated by dividing
                    net investment income per share earned during a 30-day
                    period by the net asset value per share on the last day of
                    the period. Net investment income includes interest and
                    dividend income earned on the Portfolio's securities; it is
                    net of all expenses and all recurring and nonrecurring
                    charges that have been applied to all shareholder accounts.
                    The yield calculation assumes that net investment income
                    earned over 30 days is compounded monthly for six months and
                    then annualized.

                    The "seven-day" or "current" yield of the Money Market
                    Portfolio reflects the income earned by a hypothetical
                    account in the Portfolio during a seven-day period,
                    expressed as an annual percentage rate. The "effective
                    yield" of the Money Market Portfolio assumes that the income
                    over the seven-day period is reinvested weekly, resulting in
                    a slightly higher stated yield through compounding. Methods
                    used to calculate yields are standardized for money market
                    and bond funds. However, these methods differ from the
                    accounting methods used by the Portfolios to maintain their
                    books and records, and so advertised yields may not fully
                    reflect the income paid to an investor's account or the
                    yield reported in the Portfolios' financial statements.

- -------------------------------------------------------------------------------
INVESTMENT 
OBJECTIVE           The Fund is an open-end non-diversified investment company. 
                    The Fund consists of the Ohio Money Market Portfolio and the
The Fund seeks      Ohio Insured Long-Term Portfolio, each of which has a       
to provide income   distinct investment objective:                              
that is exempt      
from federal        o The objective of the Ohio Money Market Portfolio is to  
and Ohio income       provide investors with income that is exempt from both 
taxes                 federal and Ohio personal income taxes. The Portfolio also
                      seeks to maintain, but does not guarantee, a constant net 
                      asset value of $1.00 per share. Although the Portfolio   
                      invests in high-quality instruments, the shares of the   
                      Portfolio are not insured or guaranteed by the U.S.      
                      Government.                                              
                   
                    o The objective of the Ohio Insured Long-Term Portfolio
                      is to provide investors with a high level of income that
                      is exempt from federal and Ohio personal income taxes.

                    The two Portfolios of the Fund are available only to
                    investors who reside in Ohio. There is no assurance that
                    either Portfolio of the Fund will achieve its stated
                    objective.

                    The investment objective of each Portfolio is fundamental
                    and so may not be changed without the approval of a majority
                    of the Fund's shareholders.
   

- ------------------------------------------------------------------------------
4

<PAGE>


INVESTMENT
POLICIES            Each Portfolio of the Fund will invest at least 80% of its
                    net assets in Ohio municipal securities, exclusive of Ohio
                    AMT bonds, see "Implementation of Policies." Ohio municipal
                    securities are debt obligations issued by or on behalf of
                    the State of Ohio, political subdivisions thereof and
                    agencies and instrumentalities of the State or its political
                    subdivisions (and by certain U.S. territories) that provide
                    interest income that is exempt from both federal and Ohio
                    personal income taxes. The Ohio municipal securities
                    described above, may include securities in which the
                    tax-exempt interest rate is determined by an index, swap or
                    some other formula. Although both invest primarily in Ohio
                    municipal obligations, the two Portfolios differ in terms of
                    credit quality and maturity standards.

The Money Market
Portfolio will      
invest in
short-term
Ohio municipal
securities          Under normal circumstances, the Ohio Money Market  
                    Portfolio will invest at least 80% of its net assets in the
                    following high-quality, short-term Ohio municipal  
                    securities:          
                   
                    o Municipal notes and variable rate demand instruments,
                      including derivative securities, rated MIG-1 or VMIG-1, or
                      P-1 by Moody's Investors Service, Inc. ("Moody's) or
                      SP-1+, or SP-1, A-1+, or A-1 by Standard & Poor's
                      Corporation ("Standard & Poor's");

                    o Tax-exempt commercial paper rated P-1 by Moody's or A-1+
                      or A-1 by Standard &
                                
                    o Municipal bonds, including derivative Poor's; securities,
                      with an effective maturity of 13 months or less rated a
                      minimum of Aa by Moody's or AA by Standard & Poor's; and
                             
                    o Unrated municipal notes considered by the Board of
                      Trustees to be comparable in credit quality to securities
                      rated MIG-1 by Moody's or SP-1+ or SP-1 by Standard &
                      Poor's.         

                    In addition, up to 10% of Ohio's Money Market Portfolio's
                    net assets may be invested in "restricted" money market
                    securities which are not freely marketable or which are
                    subject to restrictions on disposition under the Securities
                    Act of 1933.

                    In seeking to provide a stable share price of $1.00, the
                    Ohio Money Market Portfolio is expected to maintain an
                    average weighted maturity of 90 days or less and will
                    purchase securities with an effective maturity of 13 months
                    or less and which are eligible for purchase under Rule 2a-7
                    of the Investment Company Act of 1940 (the "1940 Act").


                    Normally, the Ohio Money Market Portfolio will seek to
                    invest substantially all of its assets in the short-term
                    Ohio municipal obligations listed above. However, under
                    certain circumstances, such as a temporary decline in the
                    issuance of Ohio obligations, the Portfolio may invest up to
                    20% of its assets in the following: short-term municipal
                    securities issued outside of Ohio (the income from which may
                    be subject to Ohio income taxes) or certain taxable
                    fixed-income securities (the income from which may be
                    subject to federal and Ohio income taxes).



                                                                             5

<PAGE>


The Insured
Long-Term 
Portfolio 
invests in
insured Ohio
municipal
securities          Under normal circumstances, the Ohio Insured Long-Term
                    Portfolio will invest at least 80% of its net assets in
                    insured Ohio municipal securities. Insured municipal bonds
                    are those in which scheduled payments of interest and
                    principal are guaranteed by a private (non-governmental)
                    insurance company. The insurance feature does not guarantee
                    the market value of the municipal bonds or the value of the
                    shares of the Ohio Insured Long-Term Portfolio. The
                    insurance refers to the face or par value of the securities
                    in the Portfolio. See "Implementation of Policies" for a
                    description of the insurance feature of the Ohio Insured
                    Long-Term Portfolio.

                    The Ohio Insured Long-Term Portfolio is expected to maintain
                    a dollar-weighted average maturity of between 15 and 25
                    years. Bonds with longer maturities usually offer higher
                    yields but are also subject to greater market fluctuations
                    as interest rates change. See "Investment Risks."

                    Normally, the Ohio Insured Long-Term Portfolio seeks to
                    invest substantially all of its assets in insured Ohio
                    municipal obligations. However, under certain circumstances,
                    the Portfolio may invest up to 20% of its assets in any
                    combination of the following securities:

                    o Uninsured, long-term Ohio municipal securities rated a
                      minimum of Aa by Standards & Poor's;

                    o Uninsured, short-term municipal Moody's or AA by
                      securities, issued in Ohio or in other states, with the
                      same quality standards that apply for the Money Market

                    o Certain taxable fixed-income securities, Portfolio;

                    o Certain tax-exempt municipal securities including U.S.
                      Government securities; and issued by other states that
                      have similar characteristics to the securities

   
                    In such cases, a portion of the Portfolio's typically
                    purchased by the Portfolio. income may be subject to Ohio
                    income taxes, federal income taxes, or both. (See page 18).
    

                    Both the Money Market Portfolio and Insured Long-Term
                    Portfolio are authorized to invest in Ohio AMT bonds. The
                    income from Ohio AMT bonds is exempt from federal and Ohio
                    personal income taxes, but may be a tax preference item for
                    purposes of the federal alternative minimum tax,
                    "Implementation of Policies."

                    Under unusual circumstances, such as a national financial
                    emergency, each Portfolio of the Fund reserves the right to
                    invest more than 20% of its assets in securities other than
                    Ohio municipal obligations. In most instances, however, the
                    Portfolios of the Fund will seek to avoid such holdings in
                    an effort to provide income that is fully exempt from
                    federal and Ohio personal income taxes.

6

<PAGE>


Each Portfolio
will diversify
its holdings        Although the Fund is organized as a non-diversified
                    investment company, each Portfolio of the Fund intends to
                    diversify its holdings of Ohio municipal securities by
                    complying with Subchapter M of the Internal Revenue Code. In
                    part, Subchapter M requires that, at the close of each
                    quarter of the taxable year, those issues which represent
                    more than 5% of each Portfolio's assets be limited in
                    aggregate to 50% of each Portfolio, and that no one issue
                    exceed 25% of a Portfolio's total assets. As of November 30,
                    1995, the Ohio-Money Market Portfolio held securities of 39
                    issuers, with the largest holding representing 7.5% of the
                    Portfolio's assets; the Ohio Insured Long-Term Portfolio
                    held securities of 76 issuers, with the largest holding
                    representing 4.6% of the Portfolio's assets.

                    The Fund is responsible for voting the shares of all
                    securities it holds.

                    The policy of investing at least 80% of each Portfolio's net
                    assets in Ohio municipal securities under normal
                    circumstances is fundamental and may not be changed without
                    shareholder approval. The other investment policies
                    described above are not fundamental and so may be changed by
                    the Board of Trustees without shareholder approval.
- ------------------------------------------------------------------------------

INVESTMENT 
RISKS 

The Fund is
subject to 
interest rate,
credit, call, 
income and
manager risk        As mutual funds investing in municipal securities, both
                    Portfolios of the Fund are subject to interest rate, credit,
                    call, income and manager risk. However, the risk
                    characteristics of both Portfolios vary because of differing
                    maturity and credit quality standards.

                    Interest rate risk is the potential for fluctuations in the
                    price of a Portfolio's investments due to changing interest
                    rates. In general, bond prices vary inversely with interest
                    rates. If interest rates rise, bond prices generally
                    decline; if interest rates fall, bond prices generally rise.
                    In addition, for a given change in interest rates,
                    longer-maturity bonds exhibit greater price fluctuations
                    than shorter- maturity bonds. To compensate investors for
                    this risk, longer-maturity bonds generally offer higher
                    yields than shorter-maturity bonds, other factors, including
                    credit quality, being equal. Interest rate risk may be
                    increased or decreased when a portfolio initiates or
                    purchases derivative Ohio municipal securities. Such
                    derivative securities rely on sophisticated interest rate
                    calculation mechanisms. For certain types of derivative
                    bonds, the magnitude of increases and decreases in their
                    price may be proportionately larger or smaller than, or
                    inverse to, the price changes that broad market interest
                    rate fluctuations would produce in long-term bonds.

                    Credit risk is the possibility that a bond issuer will fail
                    to make timely payments of interest or principal to a
                    portfolio. The credit risk of a portfolio depends on the
                    credit quality of its underlying securities. In general, the
                    lower the credit quality of a portfolio's municipal
                    securities, the higher a portfolio's yield, all other
                    factors such as maturity being equal.

                    Call risk is the possibility that, during periods of falling
                    interest rates, a municipal security with a high stated
                    interest rate will be prepaid (or "called") prior to its
                    expected maturity date. As a result, a portfolio will be
                    required to invest the unanticipated proceeds at lower
                    interest rates, and the Portfolio's income may decline. Call
                    provisions are most common for intermediate- and long-term
                    municipal bonds.



                                                                             7

<PAGE>

                    Income risk is the potential for a decline in a portfolio's
                    income due to falling market interest rates. Because a
                    portfolio's income is based on interest rates, which can
                    fluctuate substantially over short periods, income risk is
                    expected to vary from portfolio to portfolio


The Fund is 
subject to
manager risk        Finally, the investment adviser manages the Fund's
                    Portfolios according to the traditional methods of "active"
                    investment management, which involve the buying and selling
                    of securities based upon economic, financial and market
                    analysis and investment judgment. Manager risk refers to the
                    possibility that the Fund's investment adviser may fail to
                    execute a Portfolio's investment strategy effectively. As a
                    result, a Portfolio may lose money.

                    Given the Portfolio's stated objectives and policies,
                    interest rate risk for the Ohio Money Market Portfolio is
                    expected to be negligible. The Money Market Portfolio seeks
                    to maintain, but does not guarantee, a constant net asset
                    value of $1.00 per share. Although the Money Market
                    Portfolio invests in high-quality instruments, the shares of
                    the Portfolio are not insured or guaranteed by the U.S.
                    Government. In contrast, interest rate risk for the Ohio
                    Insured Long-Term Portfolio may be high. The average
                    weighted maturity of the Insured Long-Term Portfolio will
                    generally exceed 15 years, meaning that the Portfolio's
                    share price will fluctuate, sometimes substantially, when
                    interest rates change.

   
                    The following chart illustrates the potential interest rate
                    risk of the Ohio Insured Long-Term Portfolio. The chart
                    shows the market value of a $1,000 investment in a single
                    bond with the same yield and maturity characteristics as the
                    Insured Long-Term Portfolio on December 29, 1995, assuming a
                    1% and 2% increase or decrease in interest rates:
    

<TABLE>
<CAPTION>

                            Hypothetical Value of $1,000 Investment 
- ----------------------------------------------------------------------------------------------- 
                                                  Percentage Point Change in Interest Rates 
                                              -------------------------------------------------- 
                      30-Day     Average          1%           1%           2%           2% 
Portfolio             Yield      Maturity      Increase     Decrease     Increase     Decrease 
- ---------            --------   ----------    ----------   ----------   ----------   ---------- 
<S>                    <C>      <C>           <C>          <C>          <C>          <C>      
Insured Long-Term      4.80%    8.8 years     $     918    $   1,060    $     855    $   1,141

</TABLE>

                    This chart is intended to provide you with general
                    guidelines for evaluating the effect of interest rate
                    changes on the Ohio Insured Long-Term Portfolio and
                    determining the degree of interest rate risk you may be
                    willing to assume. The yield and price changes shown are
                    purely for illustrative purposes and should not be taken as
                    representative of current or future yields or expected
                    changes in the share price of the Insured Long-Term
                    Portfolio.

Credit risk 
is expected 
to be low           Credit risk depends on the average quality of a Portfolio's
                    underlying securities and its degree of diversification.
                    The Ohio Money Market Portfolio invests primarily in
                    high-quality, short-term Ohio municipal securities, and the
                    Ohio Insured Long-Term Portfolio invests primarily in bonds
                    insured by top-rated insurance companies against the
                    possible default of an issuer as to the timely payment of
                    interest and principal. As a result, the average credit
                    quality of each Portfolio is expected to be very high, and
                    credit risk is likely to be minimal.


8

<PAGE>


                    Ordinarily, an investment company concentrating its
                    investments in one state, such as the Fund, would be exposed
                    to greater credit risks than an investment company investing
                    in a nationally diversified portfolio of municipal
                    securities. These risks include possible tax law changes, a
                    deterioration in economic conditions, and differing levels
                    of supply and demand for Ohio municipal obligations. For
                    example, during the past decade, as a consequence of a
                    severe business recession in U.S. manufacturing generally,
                    Ohio experienced above-average rates of unemployment
                    relative to the national average. Although the state's
                    economy has improved significantly in recent years, there is
                    still the risk that a future recession could affect the
                    market value of Ohio municipal securities or impair the
                    ability of certain Ohio governmental authorities to repay
                    their debt obligations in a timely fashion. (See the
                    Statement of Additional Information for further information
                    on economic developments in Ohio.)

                    To minimize the effects of concentrating its investments in
                    Ohio obligations, each Portfolio of the Fund intends to
                    diversify its holdings by complying with Subchapter M of the
                    Internal Revenue Code. (See "Investment Policies" for a
                    description of the requirements of Subchapter M.) In
                    addition, the high-quality instruments held by the Ohio
                    Money Market Portfolio and the use of municipal bond
                    insurance in the Ohio Insured Long-Term Portfolio should
                    minimize the credit risk associated with the Fund.

                    As of November 30, 1995, top ten portfolio holdings, based
                    on market value, represented 53.2% of the Money Market
                    Portfolio's net assets and 27.8% of the Insured Long-Term
                    Portfolio's net assets.

                    The following chart summarizes credit, interest rate,
                    income and call risks for the Fund's Portfolios.


<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------- 
                            Credit        Interest        Income       Prepayment/ 
Portfolio                    Risk         Rate Risk        Risk         Call Risk 
- ------------------------------------------------------------------------------------- 
<S>                          <C>             <C>           <C>             <C>
Money Market  ........       Low             Low           High          Very Low 
Insured Long-Term  ...     Very Low         High            Low           Medium
- -------------------------------------------------------------------------------------  
</TABLE>
                                                                             9
<PAGE>

- ------------------------------------------------------------------------------
WHO SHOULD 
INVEST 
   
Ohio residents
seeking 
tax-exempt 
income              The Fund is intended for Ohio residents seeking income that
                    is exempt from federal and Ohio personal income taxes. As a
                    rule, tax-free income is attractive to investors in high
                    federal and Ohio tax brackets. You can determine whether
                    tax- exempt or taxable income is more attractive in your own
                    case by comparing a Portfolio's tax-free yield with the
                    yield from a comparable taxable mutual fund investment. See
                    "How to Compare Tax-Free and Taxable Yields."

                    Assuming that tax-free income is attractive in your own tax
                    bracket, you should base your selection of a Portfolio (or
                    Portfolios) on its expected price volatility and yield, and
                    your own investment objectives, risk preferences and time
                    horizon.

                    The Ohio Money Market Portfolio is intended for investors
                    who are seeking a stable share price and minimal credit
                    risk. The yield on the Portfolio is expected to fluctuate
                    from day to day and to be lower on average than the yield
                    from the Ohio Insured Long-Term Portfolio. The Ohio Money
                    Market Portfolio is suitable as a short-term investment
                    vehicle, emphasizing maximum protection of principal.

                    In contrast, the Ohio Insured Long-Term Portfolio is
                    intended for investors who are seeking the highest, most
                    durable streams of income and who can tolerate possibly
                    sharp fluctuations in share price in pursuit of their income
                    objectives. The yield of the Portfolio is expected to be
                    higher, and the level of income provided more stable, than
                    that of the Ohio Money Market Portfolio. However, because of
                    the potential volatility of the Portfolio's share price, the
                    Ohio Insured Long-Term Portfolio is appropriate only for
                    those investors who can hold their investment over the long
                    term.

                    The Fund is intended to be a long-term investment vehicle
                    and is not designed to provide investors with a means of
                    speculating on short-term market movements. Investors who
                    engage in excessive account activity generate additional
                    costs which are borne by all of the Fund's shareholders. In
                    order to minimize such costs, the Fund has adopted the
                    following policies. The Fund reserves the right to reject
                    any purchase request (including exchange purchases from
                    other Vanguard portfolios) that is reasonably deemed to be
                    disruptive to efficient portfolio management, either because
                    of the timing of the investment or previous excessive
                    trading by the investor. Additionally, the Fund has adopted
                    exchange privilege limitations as described in the section
                    "Exchange Privilege Limitations." Finally, the Fund reserves
                    the right to suspend the offering of its shares.

- -----------------------------------------------------------------------------
HOW TO COMPARE 
TAX-FREE AND 
TAXABLE YIELDS      Before choosing a specific tax-exempt investment, such as a
                    Portfolio of the Fund, you should determine if you would be
                    better off with taxable or tax-exempt income in your tax
                    bracket. To compare taxable and tax-free income, you should
                    first determine your combined federal, state and local tax
                    brackets. Then you should calculate the "taxable equivalent
                    yield" for the Portfolio you are considering, and compare it
                    with the yield of a taxable investment with similar credit
                    and maturity characteristics.

                    1. Determine your combined tax bracket. Your combined tax
                    bracket depends on whether you itemize state and local taxes
                    as a deduction on your federal return. If you do not
                    itemize, then your combined tax bracket is the sum of your
                    federal, state and local tax brackets.

                    If you do itemize, then your combined tax bracket is
                    calculated as follows. First calculate your effective state
                    and local tax bracket using the following formula:


                         Federal                              Effective 
                     ( 100% - Tax )    X    State &       =    State & 
                         Bracket      Local Bracket       Local Bracket 


10
 
<PAGE>

                    For example, if you are in a 5.9% state tax bracket and a
                    28% federal tax bracket, your effective state and local tax
                    bracket would be 4.2%:
                                  
                                 (100% - 28%)    X    5.9%   =   4.2% 

                    Next, add your effective state tax bracket to your federal
                    tax bracket to determine your combined tax bracket:


                     Federal             Effective              Combined 
                       Tax       +        State &        =        Tax 
                     Bracket           Local Bracket            Bracket 
                       28%       +         4.2%          =       32.2% 
  
                    2. Calculate your taxable equivalent yield. The taxable
                    equivalent yield for a Portfolio is based upon the
                    Portfolio's current tax-exempt yield and your combined tax
                    bracket. The formula is:

                      Portfolio's Tax-Free Yield              Your Taxable  
                    --------------------------------  =     Equivalent Yield
                    100% - Your Combined Tax Bracket          
                                                            
                    For example, if you are in a combined tax bracket of 32.2%,
                    and a Portfolio's tax- free yield is 6%, the Portfolio's
                    taxable equivalent yield would be 8.8%:

                                     6% 
                                 ------------    =  8.8%
                                 100% - 32.2%       
                                 
                                  
                    In this example, you would choose the tax-free investment if
                    its taxable equivalent yield of 8.8% were greater than the
                    taxable yield from a comparable investment (e.g., a taxable
                    bond fund of comparable maturity and credit quality).

- ------------------------------------------------------------------------------
IMPLEMENTATION 
OF POLICIES

The Fund invests in
municipal bonds,
notes and securities
derived from
municipal bonds and
notes               The Fund's adviser uses a variety of investment vehicles to
                    achieve the objective of the Fund.

                    Each Portfolio of the Fund invests principally in tax-exempt
                    Ohio municipal securities, which are debt obligations issued
                    by state and local governments and public financing
                    authorities (and by certain U.S. territories) that provide
                    interest income that is exempt from federal and Ohio
                    personal income taxes. Municipal securities include both
                    municipal bonds (those securities with maturities of five
                    years or more) municipal notes (those securities with
                    maturities of less than five years) and derivative
                    securities (those securities in which a maturity may have
                    been shortened by a demand feature).

                    Municipal bonds are issued for a wide variety of reasons: to
                    construct public facilities such as airports, highways,
                    bridges, schools, hospitals, housing, mass transportation,
                    streets, water and sewer works; to obtain funds for
                    operating expenses; to refund outstanding municipal
                    obligations; and, to loan funds to various public
                    institutions and facilities. Certain industrial development
                    bonds are also considered municipal bonds if their interest
                    is exempt from federal income tax. Industrial development
                    bonds are issued by, or on behalf of, public authorities to
                    obtain funds for privately-operated manufacturing
                    facilities, housing, sports arenas, convention centers,
                    airports, mass transportation systems, and water, gas or
                    sewage works.

                                                                            11
<PAGE>

                    Under Ohio law, general obligation municipal bonds are
                    secured by the issuer's pledge of full faith and credit and
                    the general property taxing power. Revenue bonds are payable
                    from sources other than general tax revenues. Industrial
                    development bonds are ordinarily dependent on the credit
                    quality of a private entity.

                    Municipal notes are issued to meet the short-term funding
                    requirements of local, regional and state governments.
                    Municipal notes include tax anticipation notes, bond
                    anticipation notes, revenue anticipation notes, tax and
                    revenue anticipation notes, construction loan notes,
                    short-term discount notes, tax-exempt commercial paper,
                    demand notes, and similar instruments. Demand notes permit
                    an investor (such as the Fund) to demand from the issuer
                    payment of principal plus accrued interest upon a certain
                    number of days' notice

 The Fund may
 invest in 
 AMT bonds          Each Portfolio is authorized to invest up to 20% of its
                    assets in "AMT" bonds. AMT bonds are tax-exempt "private
                    activity" bonds issued after August 7, 1986, whose proceeds
                    are directed at least in part to a private, for-profit
                    organization. While the income from AMT bonds is exempt from
                    regular federal income tax, it is a tax preference item for
                    purposes of the alternative minimum tax. The alternative
                    minimum tax is a special separate tax that applies to a
                    limited number of taxpayers who have certain adjustments to
                    income or tax preference items.

The Fund may 
invest in Market
Discount bonds      The Fund may invest in "Market Discount" bonds when, in the
                    opinion of the Fund's adviser, the investment will be
                    advantageous to the Fund's shareholders. A Market Discount
                    bond is a bond purchased at a discount from its original
                    issue price after April 30, 1993 and with a maturity in
                    excess of one year from its issue date. In certain
                    circumstances, disposition of a Market Discount bond will
                    result in taxable ordinary income to the extent of any gain
                    realized.

                    Although the objective of the Fund is to provide income free
                    of federal income tax, certain market conditions may make
                    Market Discount bonds desirable investments. The Fund will
                    purchase Market Discount bonds only if the Fund's adviser
                    expects that the purchase of these investments on an
                    after-tax basis will enhance the Fund's total return.

Three types of 
insurance may
be used in
the Insured 
Long-Term 
Portfolio           To provide an added level of credit protection, the Ohio
                    Insured Long-Term Portfolio purchases securities which have
                    one of the following types of insurance: new issue, mutual
                    fund and secondary market insurance. A new issue insurance
                    policy is purchased by a bond issuer who wishes to increase
                    the credit rating of a security. By paying a premium and
                    meeting the insurer's underwriting standards, the bond
                    issuer is able to obtain a high credit rating for the
                    security (usually Aaa from Moody's or AAA from Standard &
                    Poor's). New issue insurance policies are non-cancellable
                    and continue in force as long as the bonds are outstanding.


12

<PAGE>


                    A mutual fund insurance policy may be used to guarantee
                    specific bonds only while owned by a mutual fund. The
                    Insured Long-Term Portfolio of the Fund has obtained a
                    mutual fund insurance policy from Financial Guaranty
                    Insurance Company ("Financial Guaranty"), a AAA-rated
                    insurance company. Based upon the expected composition of
                    the Portfolio, the annual premiums for the policy are likely
                    to range from 0.20% to 0.40% of the principal value of the
                    bonds insured under the policy, thereby reducing the
                    Portfolio's current yield.

                    A secondary market insurance policy is purchased by an
                    investor (such as the Insured Long-Term Portfolio)
                    subsequent to the bond's original issuance and insures a
                    particular bond for the remainder of its term. The Portfolio
                    may purchase bonds that have already been insured under a
                    secondary market insurance policy by a prior investor, or
                    the Portfolio may itself purchase such a policy from
                    Financial Guaranty or other insurance company for bonds that
                    are currently uninsured.

                    An insured municipal bond in the Portfolio will typically be
                    covered by only one of the three policies. For instance, if
                    a bond is already covered by a new issue insurance policy or
                    a secondary market insurance policy, then that security will
                    not be insured under the Portfolio's mutual fund insurance
                    policy. All of the insurance policies used by the Portfolio
                    will be obtained only from insurance companies rated Aaa by
                    Moody's or AAA by Standard & Poor's. The purchase of
                    insurance from such companies will have the effect of making
                    the insured bonds equivalent in quality to AAA-rated bonds.

The Insured
Long-Term
Portfolio may 
report an
effective
average weighted
maturity            Each Portfolio of the Fund observes strict maturity
                    guidelines as set forth in detail under "Investment
                    Policies." These maturity standards are specified in terms
                    of a Portfolio's average weighted maturity. From time to
                    time, however, the Fund may also report an effective average
                    weighted maturity for the Insured Long-Term Portfolio, which
                    reflects, among other items, the likelihood that a municipal
                    bond or note held by the Portfolio may be redeemed or
                    "called" prior to its stated maturity date. For example, if
                    the Portfolio consists entirely of 20-year bonds, some of
                    which may be "called" prior to their stated maturity in 20
                    years, the Portfolio's average weighted maturity will be 20
                    years, while its effective average maturity will be shorter.

                    A Portfolio's effective average weighted maturity will be
                    influenced by bond market conditions and so may vary from
                    day to day, even if no change has been made to the
                    Portfolio's underlying investment securities. For example,
                    if interest rates decline, a greater proportion of a
                    Portfolio's securities may be subject to call (redemption)
                    prior to their stated maturity. As a result, reflecting this
                    increased call risk, the effective average maturity of the
                    Portfolio will shorten, independent of actual purchases or
                    sales of portfolio securities.

   
 Temporary 
 Investments        Except as described on page 6, each Portfolio will not
                    invest in securities other than municipal bonds except that
                    each Portfolio may make certain investments for temporary
                    defensive purposes in (a) notes issued by or on behalf of
                    municipal or corporate issuers, obligations of the U.S.
                    Government and its agencies, commercial paper, bank
                    certificates of deposit; (b) investment companies investing
                    in such securities which have investment objectives
                    consistent with those of the Portfolio to the extent
                    permitted by the Investment Company Act of 1940; and (c) any
                    such securities or municipal bonds subject to repurchase
                    agreements.
    

                                                                            13

<PAGE>

The Fund may
purchase
when-issued
securities          Each Portfolio may purchase tax-exempt securities on a
                    "when-issued" basis. In buying "when-issued" securities, a
                    Portfolio commits to buy securities at a certain price even
                    though the securities may not normally be delivered for up
                    to 45 days. The Portfolio pays for the securities and begins
                    earning interest when the securities are actually delivered.
                    As a consequence, it is possible that the market price of
                    the securities at the time of delivery may be higher or
                    lower than the purchase price.

The Fund may
lend its 
securities          Each Portfolio may lend its investment securities to
                    qualified institutional investors for either short-term or
                    long-term purposes of realizing additional net investment
                    income. Loans of securities by a Portfolio will be
                    collateralized by cash, letters of credit, or securities
                    issued or guaranteed by the U.S. Government or its agencies.
                    The collateral will equal at least 100% of the current
                    market value of the loaned securities. Income derived from
                    the lending of securities is not tax-exempt, and a portion
                    of the tax-exempt interest earned when a municipal security
                    is on loan must be characterized as taxable income.
                    Therefore, each Portfolio will limit such activity in
                    accordance with its investment objective.

The Fund may
invest in
municipal
lease
obligations         Each Portfolio may purchase municipal lease obligations,
                    which are securities issued by state and local governments
                    to acquire land, equipment and facilities. These obligations
                    typically are not backed by the issuing municipality's full
                    authority to assess taxes to meet its debt obligations. If
                    the issuing authority fails to make the appropriations
                    necessary to cover lease payments, then the lease may
                    terminate, with the possibility of default on the lease
                    obligation and loss to investors.

Derivative
Investing           Derivatives are instruments whose values are linked to or
                    derived from an underlying security or index. The most
                    common and conventional types of derivative securities are
                    futures and options.

The Insured
Long-term
Portfolio may
invest in
derivative
securities          The Insured Long-term Portfolio may invest in conventional
                    derivative securities including futures contracts and
                    options, but only to a limited extent. The Portfolio may
                    enter into futures contracts provided that not more than 5%
                    of its assets are required as futures contract deposits; in
                    addition, the Portfolio may enter into futures contracts and
                    options transactions only to the extent that obligations
                    under such contracts or transactions represent not more than
                    20% of the Portfolio's assets.

                    Futures contracts and options may be used for several common
                    fund management strategies: to maintain cash reserves while
                    simulating full investment, to facilitate trading, to reduce
                    transaction costs, or to seek higher investment returns when
                    a specific futures contract is priced more attractively than
                    other futures contracts or the underlying security or index.


14


<PAGE>

                    For example, in order to remain fully invested in bonds
                    while maintaining liquidity to meet potential shareholder
                    redemptions, the Portfolio may invest a portion of its
                    assets in a bond futures contract. Because futures contracts
                    only require a small initial margin deposit, the Portfolio
                    would then be able to maintain a cash reserve to meet
                    potential redemptions, while at the same time remaining
                    fully invested. Also, because the transaction costs of
                    futures and options may be lower than the costs of investing
                    in bonds directly, it is expected that the use of futures
                    contracts and options may reduce the Portfolio's total
                    transaction costs.

                    The Portfolio may use futures contracts for bona fide
                    "hedging" purposes. In executing a hedge, a manager sells,
                    for example, municipal bond futures contracts to protect
                    against a decline in the bond market. If the market drops,
                    the value of the futures position will rise, thereby
                    offsetting the decline in value of the portfolio's bond
                    holdings. The Portfolio may not use futures contracts or
                    options transactions to leverage its assets.

                    The Portfolio may invest in partnerships and grantor trust
                    derivative products. However, prior to the purchase of such
                    security, a determination must be made by the Portfolio that
                    the inherent risk of the partnership or grantor trust
                    derivative product is minimal.

Futures contracts 
and options pose
risks               The primary risks associated with the use of futures
                    contracts and options are: (i) imperfect correlation between
                    the change in market value of the bonds held by the
                    Portfolio and the prices of futures contracts and options;
                    and (ii) possible lack of a liquid secondary market for a
                    futures contract and the resulting inability to close a
                    futures position prior to its maturity date. The risk of
                    imperfect correlation will be minimized by investing in
                    those contracts whose price fluctuations are expected to
                    resemble those of the Portfolio's underlying securities. The
                    risk that the Portfolio will be unable to close out a
                    futures position will be minimized by entering into such
                    transactions on a national exchange with an active and
                    liquid secondary market.

                    The risk of loss in trading futures contracts in some
                    strategies can be substantial, due both to the low margin
                    deposits required and the extremely high degree of leverage
                    involved in future pricing. As a result, a relatively small
                    price movement in a futures contract may result in immediate
                    and substantial loss (or gain) to the investor. When
                    investing in futures contracts, the Fund will segregate cash
                    or cash equivalents in the amount of the underlying
                    obligation.

Partnerships
and grantor
trusts pose
certain risks       The primary risks associated with partnerships and grantor
                    trust derivative products are (i) the possibility of a tax
                    ruling which affects the status of the state or federal
                    opinions which are necessary to support the issuance of the
                    derivative; (ii) the possibility that the tender option on a
                    security could be withdrawn upon the occurrence of certain
                    events and (iii) the possible lack of a liquid secondary
                    market for the securities. The Portfolio will attempt to
                    minimize the risks of partnership and grantor trust
                    derivative products by carefully selecting which securities
                    to purchase and by constantly monitoring securities held by
                    the Portfolio.

- ------------------------------------------------------------------------------ 

                                                                            15
<PAGE>

INVESTMENT
LIMITATIONS
                                  
The Fund has 
adopted
certain 
fundamental
limitations         The Fund has adopted certain limitations designed to reduce
                    its exposure to specific situations. These limitations
                    include the following:

                    (a) The Ohio Insured Long-Term Portfolio will invest a
                        minimum of 80% of its net assets in insured municipal
                        bonds, the interest on which is exempt from federal and
                        Ohio personal income taxes, except that it may make
                        temporary investments as described in the section
                        "Implementation of Policies."

                    (b) The Ohio Money Market Portfolio will invest a minimum of
                        80% of its net assets in short-term municipal
                        securities, the interest on which is exempt from federal
                        and Ohio personal income taxes, except that it may make
                        temporary investments as described in the section
                        "Implementation of the Policies."

                    (c) At the close of each quarter of taxable year, those
                        issues which represent more than 5% of a Portfolio's
                        assets will be limited in aggregate to 50% of the assets
                        of that Portfolio (except U.S. Government and cash
                        items, as defined by the Internal Revenue Code (the
                        "Code").

                    (d) Each Portfolio will limit the aggregate value of
                        holdings of a single issuer (except U.S. Government and
                        cash items as defined in the Code) to a maximum of 25%
                        of the Portfolio's total assets. For the purposes of
                        this limitation, identification of the issuer will be
                        based on a determination of the source of assets and
                        revenues committed to meeting interest and principal
                        payments on each security.

                    (e) A Portfolio will not borrow money except for temporary
                        or emergency purposes, and then not in excess of 10% of
                        the Portfolio's total assets. The Portfolio will repay
                        all borrowings before making additional investments, and
                        the interest paid on such borrowings will reduce income.

                    (f) A Portfolio will not pledge, mortgage, or hypothecate
                        more than 10% of its total assets.


                    These investment limitations are considered at the time
                    investment securities are purchased. The limitations
                    described here and in the Statement of Additional
                    Information may be changed only with the approval of a
                    majority of the Fund's shareholders.

- ------------------------------------------------------------------------------
MANAGEMENT 
OF THE FUND 
   
Vanguard
administers and 
distributes the 
Fund                The Fund is a member of The Vanguard Group of Investment
                    Companies, a family of more than 30 investment companies
                    with more than 90 distinct investment portfolios and total
                    assets in excess of $190 billion. Through their
                    jointly-owned subsidiary, The Vanguard Group, Inc.
                    ("Vanguard"), the Fund and the other funds in the Group
                    obtain at cost virtually all of their corporate management,
                    administrative, shareholder accounting and distribution
                    services. Vanguard also provides investment advisory
                    services on an at-cost basis to certain Vanguard funds. As a
                    result of Vanguard's unique corporate structure, the
                    Vanguard funds have costs substantially lower than those of
                    most competing mutual funds. In 1995, the average expense
                    ratio (annual costs including advisory fees divided by total
                    net assets) for the Vanguard funds amounted to approximately
                    .31%, compared to an average of 1.11% for the mutual fund
                    industry (data provided by Lipper Analytical Services).

16

<PAGE>


The Officers of the Fund manage its day-to-day operations and are responsible to
the Fund's Board of Trustees. The Trustees set broad policies for the Fund and
choose its Officers. A list of the Trustees and Officers of the Fund and a
statement of their present positions and principal occupations during the past
five years can be found in the Statement of Additional Information.

Vanguard employs a supporting staff of management and administrative personnel
needed to provide the requisite services to the funds and also furnishes the
funds with necessary office space, furnishings and equipment. Each fund pays its
share of Vanguard's total expenses, which are allocated among the funds under
methods approved by the Board of Trustees (Directors) of each fund. In addition,
each fund bears its own direct expenses, such as legal, auditing and custodian
fees.

Vanguard also provides distribution and marketing services to the Vanguard
funds. The Funds are available on a no-load basis (i.e., there are no sales
commissions or 12b-1 fees). However, each fund bears its share of the Group's
distribution costs.

- ------------------------------------------------------------------------------
INVESTMENT 
ADVISER 
   
Vanguard manages 
the Fund's 
investments         The two Portfolios of the Fund receive all investment
                    advisory services on an at-cost basis from Vanguard's Fixed
                    Income Group. The Group also provides investment advisory
                    services to more than 40 other Vanguard money market and
                    bond portfolios, both taxable and tax-exempt. Total assets
                    under management by Vanguard's Fixed Income Group
                    approximately were $66 billion as of December 31, 1995. The
                    Fixed Income Group is supervised by the Officers of the
                    Fund. Ian A. MacKinnon, Senior Vice President of Vanguard,
                    has been in charge of the Group since its inception in 1981.

                    o David Hamlin, a Principal of Vanguard, serves as portfolio
                      manager of the Ohio Insured Long-Term Portfolio. Mr.
                      Hamlin has managed the Portfolio since its inception in
                      1988. Previously he managed tax-exempt money market funds
                      for a major investment company.

                    The Fixed Income Group manages the investment and
                    reinvestment of the assets of the Fund's Portfolios and
                    continuously reviews, supervises and administers each
                    Portfolio's investment program, subject to the maturity and
                    quality standards specified in this Prospectus and
                    supplemental guidelines approved by the Fund's Board of
                    Trustees. The Fixed Income Group's selection of investments
                    for the Portfolios is based on: (a) continuing credit
                    analysis of those instruments held in the Portfolios and
                    those being considered for inclusion therein; (b) possible
                    disparities in yield relationships between different
                    fixed-income securities and money market instruments; and
                    (c) actual or anticipated movements in the general level of
                    interest rates.

                                                                            17

<PAGE>

                    Vanguard's Fixed Income Group places all orders for
                    purchases and sales of portfolio securities. Purchases of
                    portfolio securities are made either directly from the
                    issuer or from municipal securities dealers. The Fixed
                    Income Group may sell portfolio securities prior to their
                    maturity if circumstances and considerations warrant and if
                    it believes such dispositions advisable. The Fund's policy
                    of investing in short-term instruments in the Ohio Money
                    Market Portfolio will likely result in significant portfolio
                    turnover. The Fixed Income Group seeks to obtain the best
                    available net price and most favorable execution for all
                    portfolio transactions.

- -------------------------------------------------------------------------------
DIVIDENDS, 
CAPITAL GAINS 
AND TAXES 
   
The Fund pays 
month-end
dividends           Dividends consisting of virtually all of the ordinary income
                    of each Portfolio are declared daily and are payable to
                    shareholders of record at the close of the previous business
                    day. Such dividends are paid on the first business day of
                    each month. Net capital gains distributions, if any, will be
                    made annually.

                    Dividends and capital gains distributions may be
                    automatically reinvested or received in cash. See "Choosing
                    a Distribution Option" for a description of these
                    distributions methods.

                    In addition, in order to satisfy certain distribution
                    requirements of the Tax Reform Act of 1986, each Portfolio
                    may declare special year-end dividend and capital gains
                    distributions during December. Such distributions, if
                    received by shareholders by January 31, are deemed to have
                    been paid by the Portfolio and received by shareholders by
                    December 31 of the prior year.


Dividends will
be exempt from 
federal and Ohio
income taxes        Each Portfolio of the Fund intends to continue to qualify
                    for taxation as a "regulated investment company" under the
                    Internal Revenue Code so that each Portfolio will not be
                    subject to federal income tax to the extent that its income
                    is distributed to shareholders. In addition, each Portfolio
                    intends to invest a sufficient portion of its assets in
                    municipal bonds and notes so that it will qualify to pay
                    "exempt-interest dividends" to shareholders. Such
                    exempt-interest dividends are excluded from a shareholder's
                    gross income for federal tax purposes. The Revenue
                    Reconciliation Act enacted during 1993 provides that market
                    discount on tax-exempt bonds purchased after April 30, 1993
                    must be taxed as ordinary income. Accordingly, to the extent
                    that the Fund purchases such discounted securities, taxable
                    income may result. Furthermore, each Portfolio expects to
                    invest at least 80% of its net assets in Ohio municipal
                    securities. As a result, each Portfolio will be eligible to
                    pay dividends to Ohio residents that will be exempt from
                    Ohio personal income taxes, Ohio school district income
                    taxes, or the net income base of the Ohio corporation
                    franchise tax to the extent that (i) those dividends are
                    derived from interest on Ohio municipal securities (other
                    than obligations issued by certain United States
                    territories), and, (ii) at all times at least 50% of the
                    value of the total assets of the Portfolio consists of Ohio
                    municipal securities (other than obligations issued by
                    certain United States territories), or similar obligations
                    of other states or their subdivisions.

                    Under certain circumstances, a portfolio may invest in
                    securities other than Ohio municipal securities. In such
                    cases, a portion of the Portfolio's income may be subject to
                    Ohio income taxes, federal income taxes, or both.

18

<PAGE>

                    Net long-term capital gains realized by a portfolio from the
                    sale of securities will be distributed as taxable capital
                    gains distributions for federal income tax purposes. Any
                    short-term capital gains or any taxable interest income will
                    be distributed as a taxable ordinary dividend distribution
                    for federal income tax purposes. In general, such taxable
                    income distributions from a portfolio are expected to be
                    negligible in comparison with tax-exempt dividends.

                    At present, neither Portfolio invests in AMT bonds. However,
                    were a portfolio to invest in such bonds, all or a portion
                    of the Portfolio's dividends, while exempt from regular
                    federal income tax, would be a tax preference item for
                    purposes of the alternative minimum tax.


A capital
gain or loss 
may be realized
upon exchange or
redemption          A sale of shares in the Insured Long-Term Portfolio is a
                    taxable event and may result in a capital gain or loss. A
                    capital gain or loss may be realized from an ordinary
                    redemption of shares, a checkwriting redemption, or an
                    exchange of shares between two mutual funds (or two
                    portfolios of a mutual fund). In addition, if you held
                    shares in the Insured Long-Term Portfolio for six months or
                    less, any capital loss realized upon redemption is
                    disallowed to the extent of the tax-exempt dividend income
                    you received.

                    Capital gains distributions from a portfolio and any capital
                    gains or losses realized from the sale or exchange of shares
                    will generally be subject to state and local taxes.

                    The Fund is required to withhold 31% of any taxable
                    dividends, capital gains distributions, and redemptions paid
                    to shareholders who have not complied with IRS taxpayer
                    identification regulations. You may avoid this withholding
                    requirement by indicating your proper Social Security or
                    Employer Identification Number on your Account Registration
                    Form and by certifying that you are not subject to backup
                    withholding.

                    Up to 85% of an individual's Social Security benefits may be
                    subject to federal income tax. Along with other factors,
                    total tax-exempt income, including any tax-exempt dividend
                    income from Portfolios of the Fund, is used to calculate the
                    taxable portion of Social Security benefits.

                    The Fund is organized as a Pennsylvania business trust and,
                    in the opinion of counsel, is not liable for any income or
                    franchise tax in the Commonwealth of Pennsylvania. The Fund
                    will be subject to Pennsylvania county personal property tax
                    in the county which is the site of its principal office.

                    The tax discussion set forth above is included for general
                    information only. Prospective investors should consult their
                    own tax advisers concerning the tax consequences of an
                    investment in the Fund.
- ------------------------------------------------------------------------------
THE SHARE 
PRICE OF 
EACH PORTFOLIO      The share price or "net asset value" per share of each
                    Portfolio is determined daily by dividing the total value of
                    the investments and other assets of each Portfolio, less any
                    liabilities, by the Portfolio's total outstanding shares.

                                                                            19

<PAGE>

                    Ohio Money Market Portfolio. For the purpose of calculating
                    the Ohio Money Market Portfolio's net asset value per share,
                    securities are valued by the "amortized cost" method of
                    valuation, which does not take into account unrealized gains
                    or losses. This involves valuing an instrument at its cost
                    and thereafter assuming a constant amortization to maturity
                    of any discount or premium, regardless of the impact of
                    fluctuating interest rates on the market value of the
                    instrument. While this method provides certainty in
                    valuation, it may result in periods during which value, as
                    determined by amortized cost, is higher or lower than the
                    price the Portfolio would receive if it sold the instrument.

                    The use of amortized cost and the maintenance of the Ohio
                    Money Market Portfolio's per share net asset value at $1.00
                    is based on its election to operate under the provisions of
                    Rule 2a-7 under the Investment Company Act of 1940. As a
                    condition of operating under that rule, the Ohio Money
                    Market Portfolio must maintain a dollar-weighted average
                    portfolio maturity of 90 days or less, purchase only
                    instruments having remaining maturities of 13 months or
                    less, and invest only in securities that are determined by
                    the Trustees to present minimal credit risks and that are of
                    high quality as determined by any major rating service, or
                    in the case of any instrument not so rated, considered by
                    the Trustees to be of comparable quality.

                    The Trustees have established procedures designed to
                    stabilize the net asset value per share as computed for the
                    purposes of sales and redemptions at $1.00.

                    These procedures include periodic review, as the Trustees
                    deem appropriate and at such intervals as are reasonable in
                    light of current market conditions, of the relationship
                    between the amortized cost value per share and a net asset
                    value per share based upon available indications of market
                    value. In such a review, investments for which market
                    quotations are readily available are valued at the most
                    recent bid price or quoted yield equivalent for such
                    securities or for securities of comparable maturity, quality
                    and type as obtained from one or more of the major market
                    makers for the securities to be valued. Other investments
                    and assets are valued at fair value, as determined in good
                    faith by the Trustees.

                    In the event of a deviation of over 1/2 of 1% between a
                    Portfolio's net asset value based upon available market
                    quotations or market equivalents and $1.00 per share based
                    on amortized cost, the Trustees will promptly consider what
                    action, if any, should be taken. The Trustees will also take
                    such action as they deem appropriate to eliminate or to
                    reduce, to the extent reasonably practicable, any material
                    dilution or other unfair results to investors or existing
                    shareholders which might arise from differences between the
                    two. Such action may include redeeming shares in kind,
                    selling instruments prior to maturity to realize capital
                    gains or losses or to shorten average maturity, withholding
                    dividends, paying distributions from capital or capital
                    gains, or utilizing a net asset value per share based upon
                    available market quotations.

                    Ohio Insured Long-Term Portfolio. The net asset value per
                    share of the Ohio Insured Long-Term Portfolio is determined
                    at the close of regular trading on the New York Stock
                    Exchange, (generally 4:00 p.m. Eastern time) on each day the
                   
20

<PAGE>


                    Exchange is open for business. When approved by the Board of
                    Trustees, bonds and other fixed-income securities may be
                    valued on the basis of prices provided by a pricing service
                    when such prices are believed to reflect the fair market
                    value of such securities. (The prices provided by pricing
                    services are generally determined without regard to bid or
                    last sale prices. Because of the large number of outstanding
                    municipal bonds, the majority of issues do not trade each
                    day; therefore, last sale prices are not normally available.
                    In valuing such securities, the pricing services generally
                    take into account institutional size trading in similar
                    groups of securities and any developments related to
                    specific securities.) The methods used by the pricing
                    service and the valuations so established are reviewed by
                    the Officers of the Fund under the general supervision of
                    the Trustees. There are a number of pricing services
                    available and the Trustees, on the basis of ongoing
                    evaluation of these services, may use other pricing services
                    or discontinue the use of any pricing service.

                    Securities not priced in this manner are priced at the most
                    recent quoted bid price provided by investment dealers.
                    Short-term instruments maturing within 60 days of the
                    valuation date may be valued at cost, plus or minus any
                    amortized discount or premium. Other assets and securities
                    for which no quotations are readily available will be valued
                    in good faith at their fair value using methods determined
                    by the Trustees.

                    The price per share of the Insured Long-Term Portfolio can
                    be found daily in the mutual fund section of most major
                    newspapers under the heading of Vanguard.

- ------------------------------------------------------------------------------- 
GENERAL 
INFORMATION 

                    Vanguard Ohio Tax-Free Fund is a Pennsylvania business
                    trust. The Declaration of Trust permits the Trustees to
                    issue an unlimited number of shares of beneficial interest,
                    without par value, from an unlimited number of classes of
                    shares. Currently the Fund is offering two classes of shares
                    (known as "Portfolios").

                    Shares of each Portfolio when issued are fully paid and
                    non-assessable; participate equally in dividends,
                    distributions and net assets; are entitled to one vote per
                    share; have pro rata liquidation rights; and do not have
                    pre-emptive rights. Also, shares of the Fund have
                    non-cumulative voting rights, meaning that the holders of
                    more than 50% of the shares voting for the election of the
                    Trustees can elect all of the Trustees if they so choose.

                    Annual meetings of shareholders will not be held except as
                    required by the Investment Company Act of 1940 and other
                    applicable law. An annual meeting will be held to vote on
                    the removal of a Trustee or Trustees of the Fund if
                    requested in writing by the holders of not less than 10% of
                    the outstanding shares of the Fund.

                    All securities and cash are held by CoreStates Bank, N.A.,
                    Philadelphia, PA. The Vanguard Group, Inc., Valley Forge,
                    PA, serves as the Fund's Transfer and Dividend Disbursing
                    Agent. Price Waterhouse LLP, serves as independent
                    accountants for the Fund and audits its financial statements
                    annually. The Fund is not involved in any litigation.
   

                                                                            21

<PAGE>


                               SHAREHOLDER GUIDE

OPENING AN
ACCOUNT AND
PURCHASING
SHARES              To open a new account, either by mail or by wire, simply
                    complete and return an Account Registration Form and any
                    required legal documentation. Please indicate the
                    Portfolio(s) you have chosen and the amount you wish to
                    invest. Your purchase must be equal to or greater than the
                    $3,000 minimum initial investment requirement in any
                    Portfolio ($1,000 for Uniform Gifts/Transfers to Minors Act
                    accounts). In addition, you must be an Ohio resident to
                    invest in the Fund. If you need assistance with the Account
                    Registration Form or have any questions, please call our
                    Investor Information Department at 1-800-662-7447. Note: For
                    other types of account registrations (e.g. corporations,
                    associations, other organizations, trusts or powers of
                    attorney), please call our Investor Information Department
                    to determine which additional forms you may need.

                    Each Portfolio's shares generally are purchased at the
                    next-determined net asset value after your investment has
                    been received in the form of Federal Funds. The Fund is
                    offered on a no-load basis (i.e., there are no sales
                    commissions or 12b-1 fees).


Purchase 
Restrictions        1)  Because of the risks associated with bond investments,
                        the Fund is intended to be a long-term investment
                        vehicle and is not designed to provide investors with a
                        means of speculating on short-term market movements.
                        Consequently, the Fund reserves the right to reject any
                        specific purchase (and exchange purchase) request. The
                        Fund also reserves the right to suspend the offering of
                        shares for a  period of time.

                    2)  Vanguard will not accept third-party checks to purchase
                        shares of the Fund. Please be sure your purchase check
                        is made payable to the Vanguard Group.


Additional
Investments         Subsequent investments may be made by mail ($100 minimum per
                    Portfolio), wire ($1,000 minimum per Portfolio), exchange
                    from another Vanguard Fund account ($100 minimum per
                    Portfolio), or Vanguard Fund Express.
                    ----------------------------------------------------------
                                   
   
Purchasing By
Mail Complete
and sign the
enclosed Account
Registration Form                             NEW ACCOUNT
                                 Please include the amount of your initial  
                                 investment and the name of the Portfolios 
                                 you have selected on the registration form, 
                                 make your check payable to The Vanguard 
                                 Group--(Portfolio Number). See page 23 for 
                                 the appropriate Portfolio number, and mail 
                                 to:

                                 Vanguard Financial Center 
                                 P.O. Box 2600 
                                 Valley Forge, PA 19482


                                         ADDITIONAL INVESTMENTS 
                                          TO EXISTING ACCOUNTS 

                                 Additional investments should include the
                                 Invest-by-Mail remittance form attached to 
                                 your Fund confirmation statements. Please 
                                 make your check payable to The Vanguard 
                                 Group--(Portfolio Number). See page 23 for 
                                 the appropriate Portfolio number, write your 
                                 account number on your check and, using the 
                                 return envelope provided, mail to the 
                                 address indicated on the Invest-by-Mail 
                                 Form. 
    

22

<PAGE>

For express
or registered mail,
send to:                         Vanguard Financial Center 
                                 455 Devon Park Drive 
                                 Wayne, PA 19087
 
                                 All written requests should be mailed to one 
                                 of the addresses indicated for new accounts. 
                                 Do not send registered or express mail to 
                                 the post office box address. 

                                 VANGUARD OHIO TAX-FREE PORTFOLIOS: 
                                 Ohio Money Market Portfolio-96 
                                 Ohio Insured Long-Term Portfolio-97 
Purchasing By Wire 
Money should be 
wired to:                       CORESTATES BANK, N.A.        
                                ABA 031000011                
Before Wiring                   CORESTATES NO 0141 1274      
Please contact                  ATTN VANGUARD                
Client Services                 VANGUARD OHIO TAX-FREE FUND  
(1-800-662-2739)                NAME OF PORTFOLIO            
                                ACCOUNT NUMBER               
                                ACCOUNT REGISTRATION         

                    To assure proper receipt, please be sure your bank includes
                    the Portfolio name, the account number Vanguard has assigned
                    to you and the eight-digit CoreStates number. If you are
                    opening a new account, please complete the Account
                    Registration Form and mail it to the "New Account" address
                    after completing your wire arrangement. Note: Federal Funds
                    wire purchase orders will be accepted only when the Fund and
                    Custodian Bank are open for business.
                    ----------------------------------------------------------


Purchasing By 
Exchange (from a 
Vanguard account)   You may open an account or purchase additional shares of the
                    Fund by making an exchange from an existing Vanguard Fund
                    account. Accounts opened by exchange will have the same
                    registration as the existing account. Please note: the Fund
                    reserves the right to reject any exchange purchase request.
                    For more information, please call our Client Services
                    Department at 1-800-662-2739.
                    ----------------------------------------------------------
Purchasing By 
Fund Express       The Fund Express Special Purchase option lets you move money
                   from your bank account to your Vanguard account on an "as 
Special Purchase   needed" basis. If you choose the Automatic Investment     
and Automatic      option, money will be moved automatically from your bank  
Investment         account to your Vanguard account on the schedule (monthly, 
                   bimonthly [every other month], quarterly or yearly) you   
                   select. To establish these Fund Express options, please   
                   provide the appropriate information on the Account        
                   Registration Form. We will send you a confirmation of your
                   Fund Express service; please wait three weeks before using 
                   the service.                                              
- ------------------------------------------------------------------------------ 
                    
                    
                    

CHOOSING A 
DISTRIBUTION 
OPTION              You must select one of three distribution options: 

                    1.  Automatic Reinvestment Option--Both dividends and
                        capital gains distributions will be reinvested in
                        additional shares. This option will be selected for you
                        automatically unless you specify one of the other
                        options.

                                                                            23

<PAGE>

                    2.  Cash Dividend Option--Your dividends will be paid in
                        cash and your capital gains will be reinvested in
                        additional shares.

                    3.  All Cash Option--Both dividend and capital gains
                        distributions will be paid in cash.

                    You may change your option by calling our Client Services
                    Department (1-800-662-2739).

                    In addition, an option to invest your cash dividends and/or
                    capital gains distributions in another Vanguard Fund account
                    is available. Please call our Client Services Department
                    (1-800-662-2739) for information. You may also elect
                    Vanguard Dividend Express which allows you to transfer your
                    cash dividends and/or capital gains distributions
                    automatically to your bank account. Please see "Other
                    Vanguard Services" for more information.
- ------------------------------------------------------------------------------
TAX CAUTION        Under Federal tax laws, the Fund is required to distribute 
                   net capital gains and investment income to Fund           
Investors should   shareholders. These distributions are made to all         
ask about the      shareholders who own Fund shares as of the distribution's  
timing of          record date, regardless of how long the shares have been  
capital gains      owned. Purchasing shares just prior to the record date could
and dividend       have a significant impact on your tax liability for the   
distributions      year. For example, if you purchase shares immediately prior 
before investing   to the record date of a sizable capital gain distribution,  
                   you will be assessed taxes on the amount of the capital gain
                   distribution later paid even though you owned the Fund   
                   shares for just a short period of time. (Taxes are due on  
                   the distributions even if the capital gain is reinvested in
                   additional Fund shares.) While the total value of your   
                   investment will be the same after the capital gain       
                   distribution--the amount of the capital gain distribution   
                   will offset the drop in the net asset value of the        
                   shares--you should be aware of the tax implications the  
                   timing of your purchase may have.                      
                   
                   Prospective investors should, therefore, inquire about
                   potential distributions before investing. The Fund's annual
                   capital gains distribution normally occurs in December,
                   while income dividends are generally paid on the first
                   business day of each month. For additional information on
                   distributions and taxes, see the section titled "Dividends,
                   Capital Gains, and Taxes."
- ------------------------------------------------------------------------------
IMPORTANT 
ACCOUNT 
INFORMATION         The easiest way to establish optional Vanguard services on  
                    your account is to select the options you desire when you   
Establishing        complete your Account Registration Form. If you wish to add 
Optional            shareholder options later, you may need to provide Vanguard 
Services            with additional information and a signature guarantee.      
                    Please call our Client Services Department (1-800-662-2739) 
                    for further assistance.                                     

Signature 
Guarantees          For our mutual protection, we may require a signature
                    guarantee on certain written transaction requests. A
                    signature guarantee verifies the authenticity of your
                    signature and may be obtained from banks, brokers and any
                    other guarantor that Vanguard deems acceptable. A signature
                    guarantee cannot be provided by a notary public.


24

<PAGE>


Certificates        With the exception of the Money Market Portfolio, share
                    certificates will be issued upon request. If a certificate
                    is lost, you may incur an expense to replace it.

Broker-Dealer 
Purchases           If you purchase shares in Vanguard Funds through a
                    registered broker-dealer or investment adviser, the
                    broker-dealer or adviser may charge a service fee.


Cancelling 
Trades              The Fund will not cancel any trade (e.g., a purchase,
                    exchange or redemption) believed to be authentic, received
                    in writing or by telephone, once the trade request has been
                    received.

Electronic
Prospectus 
Delivery            If you would prefer to receive a prospectus for the Fund or
                    any of the Vanguard Funds in an electronic format, please
                    call 1-800-231-7870 for additional information. If you elect
                    to do so, you may also receive a paper copy of the
                    prospectus, by calling 1-800-662-7447.

WHEN YOUR 
ACCOUNT WILL 
BE CREDITED         The trade date is the date on which your account is
                    credited. It is generally the day on which the Fund receives
                    your investment in the form of Federal Funds (monies
                    credited to the Fund's Custodian Bank by a Federal Reserve
                    Bank). Your trade date varies according to your method of
                    payment for your shares.

                    Purchases of Fund shares by check (except the Money Market
                    Portfolio) will receive a trade date the day the funds are
                    received in good order by Vanguard. Thus, if your purchase
                    by check is received by the close of regular trading on the
                    New York Stock Exchange (generally 4:00 p.m. Eastern time),
                    your trade date is the business day your check is received
                    in good order. If your purchase is received after the close
                    of the Exchange, your trade date is the business day
                    following receipt of your check.

                    For purchases by check for the Money Market Portfolio, the
                    Fund is ordinarily credited with Federal Funds within one
                    business day. Thus, if your purchase by check is received by
                    the close of the New York Stock Exchange (generally 4:00
                    p.m. Eastern time), your trade date is the business day
                    following receipt of your check. If your purchase is
                    received after the close of the Exchange, your trade date is
                    the second business day following receipt of your check.

                    For purchases by Federal Funds wire or exchange, the Fund is
                    credited immediately with Federal Funds. Thus, if your
                    purchase by Federal Funds wire or exchange is received by
                    the close of the Exchange your trade date is the day of
                    receipt. If your purchase is received after the close of the
                    Exchange, your trade date is the business day following
                    receipt of your wire or exchange.

                    Your shares are purchased at the net asset value determined
                    on your trade date. You will begin to earn dividends on the
                    calendar day following the trade date. (For a Friday trade
                    date, you will begin earning dividends on Saturday.) For a
                    purchase of the Money Market Portfolio by Federal Funds
                    wire, you may qualify for a dividend on the date of purchase
                    if you have notified the Fund of your intention to make the
                    purchase by 10:45 a.m. (Eastern time) on the business day of
                    the wire.

                                                                            25

<PAGE>


                    In order to prevent lengthy processing delays caused by the
                    clearing of foreign checks, Vanguard will only accept a
                    foreign check which has been drawn in U.S. dollars and has
                    been issued by a foreign bank with a U.S. correspondent
                    bank. The name of the U.S. correspondent bank must be
                    printed on the face of the foreign check.
- ------------------------------------------------------------------------------

SELLING YOUR 
SHARES              You may withdraw any portion of the funds in your account by
                    redeeming shares at any time. You generally may initiate a
                    request by writing or by telephoning. Your redemption
                    proceeds are normally mailed, credited or wired--depending
                    upon the method of withdrawal you have previously
                    chosen--within two business days after the receipt of the
                    request in Good Order.

Selling By
Writing A 
Check               You may withdraw funds from your account by writing a check
                    payable in the amount of $250 or more. When a check is
                    presented for payment to the Fund's agent, CoreStates Bank,
                    the Fund will redeem sufficient shares in your account at
                    the next determined net asset value to cover the amount of
                    the check.

                    In order to establish the checkwriting option on your
                    account, all registered shareholders must sign a signature
                    card. After your completed signature card is received by the
                    Fund, an initial supply of checks will be mailed within 10
                    business days. There is no charge for checks or for their
                    clearance. Corporations, trusts and other organizations
                    should call our Client Services Department (1-800-662-2739)
                    before submitting signature cards, as additional documents
                    may be required to establish the checkwriting service.

                    Before establishing the checkwriting option, you should be
                    aware that:

                    1.  Writing a check (a redemption of shares) is a taxable
                        event.

                    2.  The Fund does not allow an account to be closed through
                        the checkwriting option.
                                 
                    3.  Vanguard cannot guarantee a stop payment  on any check.
                        If you wish to reverse a stop payment order, you must
                        do so in writing.


            
                    4.  Shares held in certificate form cannot be redeemed using
                        the checkwriting option.
                              
                    5.  The Fund reserves the right to terminate or alter this
                        service at any time.                   

                    ----------------------------------------------------------
                    Selling By Mail Requests should be mailed to Vanguard 
                    Financial Center, Vanguard Ohio Tax-Free Fund, P.O. Box
                    1120, Valley Forge, PA 19482. (For express or registered
                    mail, send your request to Vanguard Financial Center,
                    Vanguard Ohio Tax- Free Fund, 455 Devon Park Drive, Wayne,
                    PA 19087.) 

                    The redemption price of shares will be the Portfolio's net
                    asset value next determined after Vanguard has received all
                    required documents in Good Order.
                    ----------------------------------------------------------  

26

<PAGE>

Definition of
Good Order          Good Order means that the request includes the following:

                    1.  The account number and Portfolio name.

                    2.  The amount of the transaction (specified in dollars or
                        shares).

                    3.  Signatures of all owners exactly as they are registered
                        on the account.

                    4.  Any required signature guarantees.

                    5.  Other supporting legal documentation that might be
                        required in the case of estates, corporations, trusts,
                        and certain other accounts.

                    6.  Any certificates that you hold for the account.

                    If you have questions about this definition as it pertains
                    to your request, please call our Client Services Department
                    at 1-800-662-2739.
                    ----------------------------------------------------------  


Selling By
Telephone           To sell shares by telephone you or your pre-authorized
                    representative may call our Client Services Department at
                    1-800-662-2739. For telephone redemptions, you may have the
                    proceeds sent to you either by mail or by wire. In addition
                    to the details below, please see "Important Information
                    About Telephone Transactions."

   
                    By Mail: Telephone mail redemption is automatically
                    established on your account unless you indicate otherwise on
                    your Account Registration Form. You may redeem any amount by
                    calling Vanguard. The proceeds will be paid to the
                    registered shareholders and mailed to the address of record.
                    Please Note: As a protection against fraud, your telephone
                    mail redemption privilege will be suspended for 10 calendar
                    days following any expedited address change to your account.
                    An expedited address change is one that is made by
                    telephone, by Vanguard Online or, in writing, without the
                    signatures of all account owners.
    

                    By Wire: Telephone wire redemption must be specifically
                    elected for your account. The best time to elect telephone
                    wire redemption is at the time you complete your Account
                    Registration Form. If you do not presently have telephone
                    wire redemption and wish to establish it, please contact our
                    Client Services Department.

                    With the wire redemption option, you may withdraw a minimum
                    of $1,000 and have the amount wired directly to your bank
                    account. Wire redemptions less than $5,000 are subject to a
                    $5 charge deducted by Vanguard. There is no Vanguard charge
                    for wire redemptions of $5,000 or more. However, your bank
                    may assess a separate fee to accept incoming wires.

                    A request to change the bank associated with your wire
                    redemption option must be received in writing, signed by
                    each registered shareholder, and accompanied by a voided
                    check or preprinted deposit slip. A signature guarantee is
                    required if your bank registration is not identical to your
                    Vanguard Fund account registration.
                    ----------------------------------------------------------
Selling By Fund
Express
                    If you select the Fund Express Automatic Withdrawal option, 
Automatic           money will be automatically moved from your Vanguard Fund 
Withdrawal          account to your bank account according to the schedule you
& Special           have selected. The Special Redemption option lets you move
Redemption          money from your Vanguard account to your bank account on an
                    "as needed" basis. To establish these Fund Express options, 
                    please provide the appropriate information on the Account 
                    Registration Form. We will send you a confirmation of your 
                    Fund Express service; please wait three weeks before using
                    the service.
                    ----------------------------------------------------------  

                                                                            27



<PAGE>


Selling By 
Exchange            You may sell shares of a Portfolio by making an exchange
                    into another Vanguard Fund account. Please see "Exchanging
                    Your Shares" for details.
                    ---------------------------------------------------------- 
Important
Redemption
Information         Shares purchased by check or Fund Express may be redeemed at
                    any time. However, your redemption proceeds will not be paid
                    until payment for the purchase is collected, which may take
                    up to ten calendar days.
                    -----------------------------------------------------------
Delivery of
Redemption
Proceeds            Redemption requests received by telephone after the close of
                    the New York Stock Exchange (generally 4:00 p.m. Eastern
                    time) are processed on the business day following receipt,
                    and the proceeds are normally sent on the second business
                    day following receipt. Redemption proceeds must be sent to
                    you within seven days of receipt of your request in Good
                    Order. The Fund reserves the right to revise or terminate
                    the telephone redemption privilege at any time.

                    If you experience difficulty in making a telephone
                    redemption during periods of drastic economic or market
                    changes, your redemption request may be made by regular or
                    express mail. It will be implemented at the net asset value
                    next determined after your request has been received by
                    Vanguard in Good Order, except as described above in
                    "Important Redemption Information."

                    The Fund may suspend the redemption right or postpone
                    payment at times when the New York Stock Exchange is closed
                    or under any emergency circumstances as determined by the
                    United States Securities and Exchange Commission.
                    ----------------------------------------------------------
Vanguard's 
Average
Cost Statement      If you make a redemption from a qualifying account, Vanguard
                    will send you an Average Cost Statement which provides you
                    with the tax basis of the shares you redeemed. Please see
                    "Statements and Reports" for additional information.
                    ---------------------------------------------------------
Low Balance
Fee and
Minimum Account
Balance
Requirement         Due to the relatively high cost of maintaining smaller
                    accounts, the Fund will automatically deduct a $10 annual
                    fee from accounts with balances falling below $2,500 ($1,000
                    for Uniform Gifts/Transfers to Minors Act accounts). This
                    fee deduction will occur mid-year, beginning in 1996. The
                    fee generally will be waived for investors whose aggregate
                    Vanguard assets exceed $50,000.

                    In addition, the Fund reserves the right to liquidate any
                    non-retirement account that is below the minimum initial
                    investment amount of $3,000. If at any time your total
                    investment does not have a value of at least $3,000, you may
                    be notified that your account is below the Fund's minimum
                    account balance requirement. You would then be allowed 60
                    days to make an additional investment before the account is
                    liquidated. Proceeds would be promptly paid to the
                    registered shareholder.

                    Vanguard will not liquidate your account if it has fallen
                    below $3,000 solely as a result of declining markets (i.e. a
                    decline in a Fund's net asset value).

- ------------------------------------------------------------------------------
28

<PAGE>


EXCHANGING
YOUR SHARES         Should your investment goals change, you may exchange your
                    shares of Vanguard Ohio Tax-Free Fund for those of other
                    available Vanguard Funds.
Exchanging By 
Telephone           When exchanging shares by telephone, please have ready the  
                    Portfolio name, account number, Social Security Number or 
Call Client         Employer Identification Number listed on the account and the
Services            exact name and address in which the account is registered.  
(1-800-662-2739)    Only the registered shareholder may complete such an        
                    exchange. Requests for telephone exchanges received prior to
                    the close of trading on the New York Stock Exchange         
                    (generally to 4:00 p.m. Eastern time) are processed at the  
                    close of business that same day. Requests received after the
                    close of the Exchange are processed the next business day.  
                    Telephone exchanges are not accepted into or from Vanguard  
                    Balanced Index, Vanguard Index Trust, Vanguard International
                    Equity Index Fund, and Vanguard Quantitative Portfolios. If 
                    you experience difficulty in making a telephone exchange,   
                    your exchange request may be made by regular or express     
                    mail, and it will be implemented at the closing net asset   
                    value on the date received by Vanguard provided the request 
                    is received in Good Order.                                  

                    ----------------------------------------------------------
Exchanging By Mail  Please be sure to include the name and account number of
                    your current Fund, and the name of the Fund you wish to
                    exchange into, the amount you wish to exchange, and the
                    signatures of all registered account holders. Send your
                    request to Vanguard Financial Center, Vanguard Ohio Tax-Free
                    Fund, P.O. Box 1120, Valley Forge, PA 19482. (For express or
                    registered mail, send your request to Vanguard Financial
                    Center, Vanguard Ohio Tax-Free Fund, 455 Devon Park Drive,
                    Wayne, PA 19087.)
                    ----------------------------------------------------------
Important
Exchange
Information        Before you make an exchange, you should consider the
                   following:

                    o   Please read the Fund's prospectus before making an
                        exchange. For a copy and for answers to any questions
                        you may have, call our Investor Information Department
                        (1-800-662-7447).

                    o   An exchange is treated as a redemption and a purchase.
                        Therefore, you could realize a taxable gain or loss on
                        the transaction.

                    o   Exchanges are accepted only if the registrations and the
                        Taxpayer Identification numbers of the two accounts are
                        identical.

                    o   The shares to be exchanged must be on deposit and not
                        held in certificate form.

                    o   New accounts are not currently accepted in
                        Vanguard/Windsor Fund or Vanguard/PRIMECAP Fund.

                    o   The redemption price of shares redeemed by exchange is
                        the net asset value next determined after Vanguard has
                        received all required documentation in Good Order.

                                                                            29
<PAGE>


                    o   When opening a new account by exchange, you must meet
                        the minimum investment requirement of the new Fund.

                    Every effort will be made to maintain the exchange
                    privilege. However, the Fund reserves the right to revise or
                    terminate its provisions, limit the amount of or reject any
                    exchange, as deemed necessary, at any time.

                    The exchange privilege is only available in Ohio, the only
                    state in which the Fund's shares are registered for sale.
- ------------------------------------------------------------------------------

EXCHANGE 
PRIVILEGE
LIMITATIONS         The Fund's exchange privilege is not intended to afford
                    shareholders a way to speculate on short-term movements in
                    the market. Accordingly, in order to prevent excessive use
                    of the exchange privilege that may potentially disrupt the
                    management of the Fund and increase transaction costs, the
                    Fund has established a policy of limiting excessive exchange
                    activity.

                    Exchange activity generally will not be deemed excessive if
                    limited to two substantive exchange redemptions (at least 30
                    days apart) from a Portfolio during any twelve-month period.
                    These limitations do not apply to exchanges from Vanguard's
                    money market portfolios. Notwithstanding these limitations,
                    the Fund reserves the right to reject any purchase request
                    (including exchange purchases from other Vanguard
                    portfolios) that is reasonably deemed to be disruptive to
                    efficient portfolio management.

- ------------------------------------------------------------------------------
IMPORTANT 
INFORMATION
ABOUT TELEPHONE
TRANSACTIONS        The ability to initiate redemptions (except wire
                    redemptions) and exchanges by telephone is automatically
                    established on your account unless you request in writing
                    that telephone transactions on your account not be
                    permitted. The ability to initiate wire redemptions by
                    telephone will be established on your account only if you
                    specifically elect this option in writing.

                    To protect your account from losses resulting from
                    unauthorized or fraudulent telephone instructions, Vanguard
                    adheres to the following security procedures:

                    1. Security Check. To request a transaction by telephone,
                    the caller must know (i) the name of the Portfolio; (ii) the
                    10-digit account number; (iii) the exact name and address
                    used in the registration; and (iv) the Social Security or
                    Employer Identification number listed on the account.

                    2. Payment Policy. The proceeds of any telephone redemption
                    by mail will be made payable to the registered shareowner
                    and mailed to the address of record, only. In the case of a
                    telephone redemption by wire, the wire transfer will be made
                    only in accordance with the shareowner's prior written
                    instructions.

                    Neither the Fund nor Vanguard will be responsible for the
                    authenticity of transaction instructions received by
                    telephone, provided that reasonable security procedures have
                    been followed. Vanguard believes that the security
                    procedures described above are reasonable, and that if such
                    procedures are followed, you will bear the risk of any
                    losses resulting from unauthorized or fraudulent telephone
                    transactions on your account. If Vanguard fails to follow
                    reasonable security procedures, it may be liable for any
                    losses resulting from unauthorized or fraudulent telephone
                    transactions on your account.

30

<PAGE>


TRANSFERRING 
REGISTRATION        You may transfer the registration of any of your Fund shares
                    to another person by completing a transfer form and sending
                    it to: Vanguard Financial Center, P.O. Box 1110, Valley
                    Forge, PA 19482, Attention: Transfer Department. The request
                    must be in Good Order. Before mailing your request, please
                    call our Client Services Department (1-800-662-2739) for
                    full instructions.
- -------------------------------------------------------------------------------
STATEMENTS AND 
REPORTS             Vanguard will send you a confirmation statement each time
                    you initiate a transaction in your account except for
                    checkwriting redemptions from Vanguard money market
                    accounts. You will also receive a comprehensive account
                    statement at the end of each calendar quarter. The
                    fourth-quarter statement will be a year-end statement,
                    listing all transaction activity for the entire calendar
                    year.

                    Vanguard's Average Cost Statement provides you with the
                    average cost of shares redeemed from your account, using the
                    average cost single category method. This service is
                    available for most taxable accounts opened since January 1,
                    1986. In general, investors who redeemed shares from a
                    qualifying Vanguard account may expect to receive their
                    Average Cost Statement along with their Portfolio Summary
                    Statement. Please call our Client Services Department
                    (1-800-662-2739) for information.

                    Financial reports on the Fund will be mailed to you
                    semiannually, according to the Fund's fiscal year-end.
- ------------------------------------------------------------------------------
OTHER VANGUARD 
SERVICES            For more information about any of these services, please
                    call our Investor Information Department at 1-800-662-7447.
 
Vanguard
Direct Deposit
Service             With Vanguard's Direct Deposit Service, most U.S. Government
                    checks (including Social Security and military pension
                    checks) and private payroll checks may be automatically
                    deposited into your Vanguard Fund account. Separate
                    brochures and forms are available for direct deposit of U.S.
                    Government and private payroll checks.

Vanguard  
Automatic           
Exchange Service    Vanguard's Automatic Exchange Service allows you to move  
                    money automatically among your Vanguard Fund accounts.    
                    For instance, the service can be used to "dollar cost    
                    average" from a money market portfolio into a stock or   
                    bond fund or to contribute to an IRA or other retirement 
                    plan. Please contact our Client Services Department at   
                    1-800-662-2739 for additional information.               

Vanguard Fund       Vanguard's Fund Express allows you to transfer money
Express             between your Fund account and your account at a bank,
                    savings and loan association, or a credit union that is a
                    member of the Automated Clearing House (ACH) system. You may
                    elect this service on the Account Registration Form or call
                    our Investor Information Department (1-800-662-7447) for a
                    Fund Express application.

                                                                            31


<PAGE>

                    Special rules govern how your Fund Express purchases or
                    redemptions are credited to your account. In addition, some
                    services of Fund Express cannot be used with specific
                    Vanguard Funds. For more information, please refer to the
                    Vanguard Fund Express brochure.

Vanguard
Dividend 
Express             Vanguard's Dividend Express allows you to transfer your
                    dividends and/or capital gains distributions automatically
                    from your Fund account, one business day after the Fund's
                    payable date, to your account at a bank, savings and loan
                    association, or a credit union that is a member of the
                    Automated Clearing House (ACH) system. You may elect this
                    service on the Account Registration Form or call our
                    Investor Information Department (1-800-662-7447) for a
                    Vanguard Dividend Express application.

Vanguard 
Tele-Account        Vanguard's Tele-Account is a convenient, automated service
                    that provides share price, price change and yield quotations
                    on Vanguard Funds through any TouchToneTM telephone. This
                    service also lets you obtain information about your account
                    balance, your last transaction, and your most recent
                    dividend or capital gains payment. To contact Vanguard's
                    Tele-Account service, dial 1-800-ON- BOARD (1-800-662-6273).
                    A brochure offering detailed operating instructions is
                    available from our Investor Information Department
                    (1-800-662-7447).
- -------------------------------------------------------------------------------
 
<PAGE>












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<PAGE>










  
 
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<PAGE>


   Vanguard                                           Vanguard    
    OHIO                                               OHIO       
TAX-FREE FUND                                      TAX-FREE FUND  
- --------------                                     

The Vanguard Group 
 of Investment                                    P R O S P E C T U S
 Companies                                       
Vanguard Financial Center 
P.O. Box 2600 
Valley Forge, PA 19482                              MARCH 29, 1996   
 
                                                 
Investor Information 
 Department: 
1-800-662-7447 (SHIP) 
  
Client Services 
 Department: 
1-800-662-2739 (CREW) 
  
Tele-Account for 
 24-Hour Access: 
1-800-662-6273 (ON-BOARD) 
  
Telecommunication 
 Service for the 
 Hearing-Impaired: 
1-800-662-2738 
  
Transfer Agent:                                A member of 
The Vanguard Group, Inc.                  THE VANGUARD GROUP
Vanguard Financial Center                           OF INVERSTMENT COMPANIES
Valley Forge, PA 19482 
 

P096 

  
<PAGE>
 


                                    PART B 
 
                         VANGUARD OHIO TAX-FREE FUND 
 
                     STATEMENT OF ADDITIONAL INFORMATION 
                                MARCH 29, 1996 

   This Statement is not a prospectus but should be read in conjunction with 
the Fund's current Prospectus dated March 29, 1996. To obtain this 
Prospectus, please call: 


                  VANGUARD'S INVESTOR INFORMATION DEPARTMENT 
                                1-800-662-7447 
 
                              TABLE OF CONTENTS 



                                                                    Page 
                                                                  -------- 
Investment Limitations  .......................................      B-1 
Risk Factors  .................................................      B-6 
Yield and Total Return  .......................................      B-7 
Calculation of Yield  .........................................      B-7 
Performance Measures  .........................................      B-8 
Investment Management  ........................................     B-10 
Purchase of Shares  ...........................................     B-11 
Redemption of Shares  .........................................     B-11 
Valuation of Shares  ..........................................     B-12 
Management of the Fund  .......................................     B-13 
Description of Shares and Voting Rights  ......................     B-15 
Financial Statements  .........................................     B-16 
Appendix A--Description of Municipal Bonds and their Ratings  .     B-17 
Appendix B--Municipal Lease Obligations  ......................     B-19 

  


                            INVESTMENT LIMITATIONS 

   The following limitations cannot be changed without the consent of the 
holders of a majority of the Fund's outstanding shares (as defined in the 
Investment Company Act of 1940 (the "1940 Act"), including a majority of the 
shares of each Portfolio. 

   1. Each Portfolio will limit the aggregate value of all holdings (except 
      U.S. Government and cash items, as defined under Subchapter M of the 
      Internal Revenue Code (the "Code"), each of which exceeds 5% of the 
      Portfolio's total assets, to an aggregate amount of 50% of such assets; 

   2. Each Portfolio will limit the aggregate value of holdings of a single 
      issuer (except U.S. Government and cash items, as defined in the Code) 
      to a maximum of 25% of the Portfolio's total assets. For the purposes 
      of this limitation, identification of the issuer will be based on a 
      determination of the source of assets and revenues committed to meeting 
      interest and principal payments of each security; 

   3. Each Portfolio will not borrow money except for temporary or emergency 
      purposes and then only in an amount not exceeding 10% of the value of 
      the total assets of that Portfolio. The Portfolio will repay all 
      borrowings before making additional investments. Interest paid on such 
      borrowings will reduce income; 

   4. Each Portfolio will not pledge, mortgage or hypothecate its assets to 
      any extent greater than 10% of the value of the total assets of the 
      Portfolio; 

   5. Each Portfolio will not issue senior securities as defined in the 1940 
      Act; 


                                                                             B-1



<PAGE>

    6. Each Portfolio will not purchase or acquire security any if, as a 
       result, more than 15% (10% with respect to the Money Market Portfolio) 
       of its net assets would be invested in securities that are illiquid 
       (included in this limitation is the Fund's investment in The Vanguard 
       Group, Inc.); 

    7. Each Portfolio will not engage in the business of underwriting 
       securities issued by other persons except to the extent that the 
       Portfolio may technically be deemed to be an underwriter under the 
       Securities Act of 1933, as amended, in disposing of investment 
       securities; 

    8. Each Portfolio will not purchase or sell real estate, but this shall 
       not prevent investments in municipal bonds secured by real estate or 
       interests therein; 

    9. Each Portfolio will not make loans to other persons, except by the 
       purchase of bonds, debentures or similar obligations which are 
       publicly distributed and as provided under "Lending of Securities"; 

   10. Each Portfolio will not purchase on margin or sell short, except as 
       specified below in investment limitation No. 12; 

   11. Each Portfolio will not purchase or retain securities of an issuer if 
       those Trustees of the Fund, each of whom owns more than 1/2 of 1% of 
       such securities, together own more than 5% of the securities of such 
       issuer; 

   12. Each Portfolio will not purchase or sell commodities or commodities 
       contracts, except that the Ohio Insured Long-Term Portfolio may invest 
       in bond futures contracts, bond options and options on bond futures 
       contracts to the extent that not more than 5% of the Portfolio's 
       assets are required as deposit on futures contracts and not more than 
       20% of the Portfolio's assets are invested in futures contracts and/or 
       options transactions at any time; 

   13. Each Portfolio will not invest its assets in securities of other 
       investment companies except as they may be acquired as part of a 
       merger, consolidation, reorganization or acquisition of assets or 
       otherwise, to the extent permitted by Section 12 of the 1940 Act; 

   14. Each Portfolio will not invest in securities other than municipal 
       bonds except that each Portfolio may make temporary investments in (a) 
       notes issued by or on behalf of municipal or corporate issuers, 
       obligations of the U. S. Government and its agencies, commercial 
       paper, and bank certificates of deposits; (b) investment companies 
       investing in such securities which have investment objectives 
       consistent with those of the Portfolio to the extent permitted by the 
       1940 Act; and (c) any such securities or municipal bonds subject to 
       repurchase agreements; 

   15. Each Portfolio will not invest in put, call, straddle or spread 
       options (except as described above in investment limitation No. 12) or 
       interests in oil, gas or other mineral exploration or development 
       programs; and 

   16. Each Portfolio will not purchase an industrial revenue bond if as a 
       result of such purchase (i) more than 5% of the Portfolio's total 
       assets, determined at market value at the time of the proposed 
       investment, would be invested in industrial revenue bonds where the 
       payment of principal and interest is the responsibility of a company 
       with less than three (3) years' operating history, or (ii) more than 
       20% of the Portfolio's total assets, determined at market value at the 
       time of the proposed investment, would be invested in industrial 
       development bonds. These restrictions do not apply to municipal 
       obligations where the payment of principal and interest is the 
       responsibility of a government or the political subdivision of a 
       government. 

   The above-mentioned investment limitations are considered at the time 
investment securities are purchased. Nothwithstanding these limitations, each 
Portfolio may own all or any portion of the securities of, or make loans to, 
or contribute to the costs or other financial requirements of, any company 
which will be (1) wholly owned by the Fund and one or more other investment 
companies and (2) primarily engaged in the business of providing, at cost,  

B-2

<PAGE>

management, administrative, distribution and/or related services to the Fund and
such other investment companies. Additionally, the Fund may invest without limit
in when-issued securities. Please see the prospectus for a description of such
securities.

   Lending of Securities. Each Portfolio may lend its investment securities 
to qualified institutions who need to borrow securities in order to complete 
certain transactions, such as covering short sales, avoiding failures to 
deliver securities or completing arbitrage operations. By lending its 
investment securities, the Portfolio attempts to increase its income through 
the receipt of interest on the loan. Any gain or loss in the market price of 
the securities loaned that might occur during the term of the loan would be 
for the account of the Portfolio. The Portfolio may lend its investment 
securities to qualified brokers, dealers, banks or other financial 
institutions, so long as the terms and the structure of such loans are not 
inconsistent with the 1940 Act, or the Rules and Regulations or 
interpretations of the Securities and Exchange Commission (the "Commission") 
thereunder, which currently require that (a) the borrower pledge and maintain 
with the Portfolio collateral having a value at all times not less than 100% 
of the value of the securities loaned, (b) the borrower add to such 
collateral whenever the price of the securities loaned rises (i.e., the 
borrower "marks to the market" on a daily basis), (c) the loan be made 
subject to termination by the Portfolio at any time, and (d) the Portfolio 
receive reasonable interest on the loan (which may include the Portfolio 
investing any cash collateral in interest bearing short- term investments), 
any distribution on the loaned securities and any increase in their market 
value. A Portfolio will not lend its investment securities if, as a result, 
the aggregate of such loans exceeds 10% of the value of its total assets. 
Loan arrangements made by the Portfolio will comply with all other applicable 
regulatory requirements, including the rules of the New York Stock Exchange, 
which rules presently require the borrower, after notice, to redeliver the 
securities within the normal settlement time of three business days. All 
relevant facts and circumstances, including the creditworthiness of the 
broker, dealer or institution, will be considered in making decisions with 
respect to the lending of securities, subject to review by the Fund's Board 
of Trustees. Income derived from lending of securities is not tax- exempt, 
and, thus, each portfolio will limit such activity in accordance with its 
investment objective. 

FUTURES CONTRACTS AND OPTIONS 
    
The Insured Long-Term Portfolio may enter into futures contracts, options, 
and options on futures contracts for several reasons: to maintain cash 
reserves while remaining fully invested, to facilitate trading, to reduce 
transactions costs, or to seek higher investment returns when a futures 
contract is priced more attractively than the underlying municipal security 
or index. Futures contracts provide for the future sale by one party and 
purchase by another party of a specified amount of a specific security at a 
specified future time and at a specified price. Futures contracts which are 
standardized as to maturity date and underlying financial instrument are 
traded on national futures exchanges. Futures exchanges and trading are 
regulated under the Commodity Exchange Act by the Commodity Futures Trading 
Commission ("CFTC"), a U.S. Government Agency. 

   Although futures contracts by their terms call for actual delivery or 
acceptance of the underlying securities, in most cases the contracts are 
closed out before the settlement date without the making or taking of 
delivery. Closing out an open futures position is done by taking an opposite 
position ("buying" a contract which has previously been "sold," or "selling" 
a contract previously purchased) in an identical contract to terminate the 
position. Brokerage commissions are incurred when a futures contract is 
bought or sold. 

   Futures traders are required to make a good faith margin deposit in cash 
or government securities with a broker or custodian to initiate and maintain 
open positions in futures contracts. A margin deposit is intended to assure 
completion of the contract (delivery or acceptance of the underlying 
security) if it is not terminated prior to the specified delivery date. 
Minimal initial margin requirements are established by the futures exchange 
and may be changed. Brokers may establish deposit requirements which are 
higher than the exchange minimums. Futures contracts are customarily 
purchased and sold at prices which may range upward from less than 5% of the 
value of the contract being traded. 

                                                                             B-3
<PAGE>


   After a futures contract position is opened, the value of the contract is 
marked to market daily. If the futures contract price changes, to the extent 
that the margin on deposit does not satisfy margin requirements, payment of 
additional "variation" margin will be required. Conversely, changes in the 
contract value may reduce the required margin, resulting in a repayment of 
excess margin to the contract holder. Variation margin payments are made to 
and from the futures broker for as long as the contract remains open. The 
Fund expects to earn interest income on its margin deposits. 

   Traders in futures contracts may be broadly classified as either "hedgers" 
or "speculators." Hedgers use the futures markets primarily to offset 
unfavorable changes in the value of securities otherwise held for investment 
purposes or expected to be acquired by them. Speculators are less inclined to 
own the securities underlying the futures contracts which they trade, and use 
futures contracts with the expectation of realizing profits from fluctuations 
in the interest rates of underlying securities. The Fund intends to use 
futures contracts only for bona fide hedging purposes. 

   Regulations of the CFTC applicable to the Fund require that all of its 
futures transactions constitute bona fide hedging transactions. The Portfolio 
will only sell futures contracts to protect securities it owns against price 
declines or purchase contracts to protect against an increase in the price of 
securities it intends to purchase. As evidence of this hedging interest, the 
Portfolio expects that approximately 75% of its futures contract purchases 
will be "completed," that is, equivalent amounts of related securities will 
have been purchased or are being purchased by the Portfolio upon sale of open 
futures contracts. 

   Although techniques other than the sale and purchase of futures contracts 
could be used to control the Portfolio's exposure to market fluctuations, the 
use of futures contracts may be a more effective means of hedging this 
exposure. While the Portfolio will incur commission expenses in both opening 
and closing out futures positions, these costs are lower than transaction 
costs incurred in the purchase and sale of the underlying securities. 

RESTRICTIONS ON THE USE OF FUTURES CONTRACTS 

The Portfolio will not enter into futures contract transactions to the extent 
that, immediately thereafter, the sum of its initial margin deposits on open 
contracts exceeds 5% of the market value of the Fund's total assets. In 
addition, the Portfolio will not enter into futures contracts to the extent 
that its outstanding obligations to purchase securities under these contracts 
would exceed 20% of the Portfolio's total assets. 

RISK FACTORS IN FUTURES TRANSACTIONS 

Positions in futures contracts may be closed out only on an Exchange which 
provides a secondary market for such futures. However, there can be no 
assurance that a liquid secondary market will exist for any particular 
futures contract at any specific time. Thus, it may not be possible to close 
a futures position. In the event of adverse price movements, the Portfolio 
would continue to be required to make daily cash payments to maintain its 
required margin. In such situations, if the Portfolio has insufficient cash, 
it may have to sell portfolio securities to meet daily margin requirements at 
a time when it may be disadvantageous to do so. In addition, the Portfolio 
may be required to make delivery of the instruments underlying futures 
contracts it holds. The inability to close options and futures positions also 
could have an adverse impact on the ability to effectively hedge it. 

   The Portfolio will minimize the risk that it will be unable to close out a 
futures contract by only entering into futures which are traded on national 
futures exchanges and for which there appears to be a liquid secondary 
market. The principal interest rate futures exchanges in the United States 
are the Board of Trade of the City of Chicago and the Chicago Mercantile 
Exchange. 

   The risk of loss in trading futures contracts in some strategies can be 
substantial, due both to the low margin deposits required, and the extremely 
high degree of leverage involved in futures pricing. As a result, a 
relatively small price movement in a futures contract may result in immediate 
and substantial loss (as well as gain) to the investor. For example, if at 
the time of purchase, 10% of the value of the futures contract is deposited 
as margin, a subsequent 10% decrease in the value of the futures contract

B-4

<PAGE>

would result in a total loss of the margin deposit, before any deduction for the
transaction costs, if the account were then closed out. A 15% decrease would
result in a loss equal to 150% of the original margin deposit if the contract
were closed out. Thus, a purchase or sale of a futures contract may result in
losses in excess of the amount invested in the contract. However, because the
futures strategies of the Portfolio are engaged in only for hedging purposes,
the Adviser does not believe that the Portfolio is subject to the risks of loss
frequently associated with futures transactions. The Portfolio would presumably
have sustained comparable losses if, instead of the futures contract, it had
invested in the underlying financial instrument and sold it after the decline.

   Utilization of futures transactions by the Portfolio does involve the risk 
of imperfect or no correlation where the securities underlying futures 
contracts have different maturities or other characteristics than the 
portfolio securities being hedged. It is also possible that the Portfolio 
could both lose money on futures contracts and also experience a decline in 
value of its portfolio securities. There is also the risk of loss by the 
Portfolio of margin deposits in the event of bankruptcy of a broker with whom 
the Portfolio has an open position in a futures contract or related option. 

   Most futures exchanges limit the amount of fluctuation permitted in 
futures contract prices during a single trading day. The daily limit 
establishes the maximum amount that the price of a futures contract may vary 
either up or down from the previous day's settlement price at the end of a 
trading session. Once the daily limit has been reached in a particular type 
of contract, no trades may be made on that day at a price beyond that limit. 
The daily limit governs only price movement during a particular trading day 
and therefore does not limit potential losses, because the limit may prevent 
the liquidation of unfavorable positions. Futures contract prices have 
occasionally moved to the daily limit for several consecutive trading days 
with little or no trading, thereby preventing prompt liquidation of future 
positions and subjecting some futures traders to substantial losses. 

   The Portfolios are required for federal income tax purposes to recognize 
as income for each taxable year their net unrealized gains and losses on 
certain futures contracts held as of the end of the year as well as those 
actually realized during the year. In most cases, any gain or loss recognized 
with respect to a futures contract is considered to be 60% long-term capital 
gain or loss and 40% short-term capital gain or loss, without regard to the 
holding period of the contract. Furthermore, sales of futures contracts which 
are intended to hedge against a change in the value of securities held by the 
Portfolio may affect the holding period of such securities and, consequently, 
the nature of the gain or loss on such securities upon disposition. A 
Portfolio may be required to defer the recognition of losses on futures 
contracts to the extent of any unrecognized gains on related positions held 
by the Portfolio. 

   In order for the Portfolio to continue to qualify for Federal income tax 
treatment as a regulated investment company, at least 90% of its gross income 
for a taxable year must be derived from qualifying income, i.e., dividends, 
interest, income derived from loans of securities, gains from the sale of 
securities or of foreign currencies or other income derived with respect to 
the Portfolio's business of investing in securities. In addition, gains 
realized on the sale or other disposition of securities held for less than 
three months must be limited to less than 30% of the Portfolio's annual gross 
income. It is anticipated that any net gain realized from the closing out of 
futures contracts will be considered gain from the sale of securities and 
therefore be qualifying income for purposes of the 90% requirement. In order 
to avoid realizing excessive gains on securities held less than three months, 
the Portfolio may be required to defer the closing out of futures contracts 
beyond the time when it would otherwise be advantageous to do so. It is 
anticipated that unrealized gains on futures contracts, which have been open 
for less than three months as of the end of the Portfolio's fiscal year and 
which are recognized for tax purposes, will not be considered gains on sales 
of securities held less than three months for the purpose of the 30% test. 

   The Portfolio will distribute to shareholders annually any net capital 
gains which have been recognized for federal income tax purposes (including 
unrealized gains at the end of the Portfolio's fiscal year) on futures 
transactions. Such distribution will be combined with distributions of 
capital gains realized on the Portfolio's other investments and shareholders 
will be advised on the nature of the transactions. 

                                                                             B-5

<PAGE>


                                 RISK FACTORS 

   As described above, the Portfolios will invest most of their respective 
net assets in securities issued by or on behalf of (or in certificates of 
participation in lease-purchase obligations of) the State of Ohio, political 
subdivisions of the State, or agencies or instrumentalities of the State or 
its political subdivisions (Ohio Obligations). The Portfolios are therefore 
susceptible to general or particular political, economic or regulatory 
factors that may affect issuers of Ohio Obligations. The following 
information constitutes only a brief summary of some of the many complex 
factors that may affect the Portfolios. The information does not apply to 
"conduit" obligations on which the public issuer itself has no financial 
responsibility. This information is derived from official statements of 
certain Ohio issuers published in connection with their issuance of 
securities and from other publicly available documents, and is believed to be 
accurate. No independent verification has been made of any of the following 
information. 

   The timely payment of principal of and interest on Ohio Obligations has 
been guaranteed by bond insurance purchased by the issuers, the Portfolio or 
other parties. The timely payment of debt service on Ohio Obligations that 
are so insured may not be subject to the factors referred to in this section 
of the Prospectus. 

   Ohio is the seventh most populous state. Its 1990 Census count of 
10,847,000 indicates a 0.5% population increase from 1980. 

   While diversifying more into the service and other non-manufacturing 
areas, the Ohio economy continues to rely in part on durable goods 
manufacturing largely concentrated in motor vehicles and equipment, steel, 
rubber products and household appliances. As a result, general economic 
activity, as in many other industrially-developed states, tends to be more 
cyclical than in some other states and in the nation as a whole. Agriculture 
is an important segment of the economy, with over half the State's area 
devoted to farming and approximately 15% of total employment in agribusiness. 
The state's economy has also benefitted by improved manufacturing 
productivity and a strong export position which helped shield the state's 
economy from domestic recession in the early 1990's. 

   There can be no assurance that future national, regional or state-wide 
economic difficulties, and the resulting impact on State or local government 
finances generally, will not adversely affect the market value of Ohio 
Obligations held in the Portfolio or the ability of particular obligors to 
make timely payments of debt service on (or lease payments relating to) those 
Obligations. 

   Ohio's debt burden is moderate, and the state and most local governments 
observe prudent debt management practices. The state government has 
maintained positive year-end balances in its general revenue account during 
the 1980s, achieved through timely revisions in tax and spending plans. 
During the economic recovery of the mid-1980's, the State accumulated sizable 
fund balances in its general revenue fund and maintained a healthy budget 
stabilization (or "rainy day") fund. This strong financial position provided 
the state with far more flexibility than most states to weather the revenue 
shortfalls and increased human services expenditures generated by the most 
recent recession. The state's finances remain sound and poised to generate 
enhanced balances as the national economy effects a sustained recovery from 
the recession of the early 1990's. 

   The State operates on the basis of a fiscal biennium for its 
appropriations and expenditures, and is precluded by law from ending its July 
1 to June 30 fiscal year ("FY") or fiscal biennium in a deficit position. 
Most State operations are financed through the General Revenue Fund ("GRF"), 
for which personal income and sales-use taxes are the major sources. Growth 
and depletion of GRF ending fund balances show a consistent pattern related 
to national economic conditions, with the ending FY balance reduced during 
less favorable and increased during more favorable economic periods. The 
State has well- established procedures for, and has timely taken, necessary 
actions to ensure resource/expenditure balances during less favorable 
economic periods. These procedures include general and selected reductions in 
appropriations spending. 

   By 13 constitutional amendments, the last adopted in 1993, Ohio voters 
have authorized the incurrence of State debt to the payment of which taxes or 
excises were pledged. As of September 1994, $671 million (excluding certain 
highway bonds payable primarily from highway use charges) of this debt was 
outstanding or awaiting delivery. 

B-6

<PAGE>


   The Constitution also authorizes the issuance of State obligations for 
certain purposes, the owners of which do not have the right to have excises 
or taxes levied to pay debt service. Such state obligations are generally 
secured by annual appropriation lease agreements with the state. 

   In general, payment obligations under lease-purchase agreements of Ohio 
public agencies (in which certificates of participation may be issued) are 
limited in duration to the agency's fiscal period, and are renewable only 
upon appropriations being made available for the subsequent fiscal period. 
Additionally, state and local agencies issue revenue obligations that are 
payable from revenues from or relating to certain facilities (but not from 
taxes). By judicial interpretation, these obligations are not "debt" within 
constitutional provisions. 

   Local school districts in Ohio receive a major portion (on a state-wide 
basis, recently approximately 46%) of their operating moneys from State 
subsidies, but are dependent on local property taxes, and in 98 districts 
from voter-authorized income taxes, for significant portions of their 
budgets. Litigation, similar to that in other states, is pending questioning 
the constitutionality of Ohio's system of school funding. A small number of 
the State's 612 local school districts have in any year required special 
assistance to avoid year-end deficits. A current program provides for school 
district cash need borrowing directly from commercial lenders, with diversion 
of State subsidy distributions to repayment if needed. 

   Ohio's 943 incorporated cities and villages rely primarily on property and 
municipal income taxes for their operations, and, with other local 
governments, receive local government support and property tax relief moneys 
distributed by the State. For those few municipalities that on occasion have 
faced significant financial problems, there are statutory procedures for a 
joint State/local commission to monitor the municipality's fiscal affairs and 
for development of a financial plan to eliminate deficits and cure any 
defaults. Since inception in 1979, these procedures have been applied to 23 
cities and villages; for 18 of them the fiscal situation was resolved and the 
procedures terminated. 

   At present the State itself does not levy ad valorem taxes on real or 
tangible personal property. Those taxes are levied by political subdivisions 
and other local taxing districts. The Constitution has since 1934 limited the 
amount of the aggregate levy (including a levy for unvoted general 
obligations) of property taxes by all overlapping subdivisions, without a 
vote of the electors or a municipal charter provision, to 1% of true value in 
money, and statutes limit the amount of that aggregate levy to 10 mills per 
$1 of assessed valuation (commonly referred to as the "ten-mill limitation"). 
Voted general obligations of subdivisions are payable from property taxes 
that are unlimited as to amount or rate. 


                            YIELD AND TOTAL RETURN 

   The yield of the Ohio Insured Long-Term Portfolio for the 30-day period 
ended November 30, 1995 was 5.01%. 

   The average annual total return of the Ohio Insured Long-Term Portfolio 
for the one- and five-year periods ended November 30, 1995, and since the 
inception of the Fund on June 18, 1990 was +19.45% and +8.74% and +9.15%, 
respectively. The average annual total return of the Ohio Money Market 
Portfolio for the one- and five-year periods ended November 30, 1995, and 
since the inception of the Fund on June 18, 1990 was +3.78%, +3.28% and 
+3.49%, respectively. 


                             CALCULATION OF YIELD 

   The current yield of the Ohio Money Market Portfolio is calculated daily 
on a base period return of a hypothetical account having a beginning balance 
of one share for a particular period of time (generally 7 days). The return 
is determined by dividing the net change (exclusive of any capital changes) 
in such account by its average net asset value for the period, and then 
multiplying it by 365/7 to get the annualized current yield. The calculation 
of net change reflects the value of additional shares purchased with the 
dividends by the Portfolio, including dividends on both the original share 
and on such additional shares. An effective yield, which reflects the effects

                                                                             B-7
<PAGE>


of compounding and represents an annualization of the current yield with all
dividends reinvested, may also be calculated for the Portfolio by adding 1 to
the net change for seven days, raising the sum to the 365/7 power, and
subtracting 1 from the result.

   Set forth below is an example, for purposes of illustration only, of the 
current and effective yield calculations for the Ohio Money Market Portfolio 
for the 7-day base period ended November 30, 1995. 

<TABLE>
<CAPTION>

                                                                           Money Market Portfolio 
                                                                           ---------------------- 
                                                                                  11/30/95  
                                                                                -----------
<S>                                                                             <C>         
Value of account at beginning of period  ...............................        $   1.00000 
Value of same account at end of period*  ...............................            1.00071 
                                                                                ----------- 
Net Change in account value  ...........................................        $    .00071 
Annualized Current Net Yield (Net Change 365/7)/average net asset value                3.71% 
Effective Yield [(Net Change) + 1] 365/7 - 1  ..........................               3.77% 
Average Weighted Maturity of Investments  ..............................           57 Days 
</TABLE>
 
- ------ 
*Exclusive of any capital changes. 

   The net asset value of the Ohio Money Market Portfolio is $1.00 and it is 
not expected to fluctuate. The Money Market Portfolio seeks to maintain, but 
does not guarantee a constant net asset value of $1.00 per share. Although 
the Money Market Portfolio invests in high-quality instruments, the shares of 
the Portfolio are not insured or guaranteed by the U.S. Government. The yield 
of the Portfolio will fluctuate. The annualization of a week's dividend is 
not a representation by the Portfolio as to what an investment in the 
Portfolio will actually yield in the future. Actual yields will depend on 
such variables as investment quality, average maturity, the type of 
instruments the Portfolio invests in, changes in interest rates on 
instruments, changes in the expenses of the Fund and other factors. Yields 
are one basis investors may use to analyze the Portfolios of the Fund and 
other investment vehicles however, yields of other investment vehicles may 
not be comparable because of the factors set forth in the preceding sentence, 
differences in the time periods compared, and differences in the methods used 
in valuing portfolio instruments, computing net asset value and calculating 
yield. 


                             PERFORMANCE MEASURES 

   Vanguard may use reprinted material discussing The Vanguard Group, Inc. or 
any of the member funds of the Vanguard Group of Investment Companies. 

   Each of the investment company members of The Vanguard Group, including 
Vanguard Ohio Tax Free Fund, may from time to time, use one or more of the 
following unmanaged indexes for comparative performance purposes. 

Standard and Poor's 500 Composite Stock Price Index -- is a well diversified 
list of 500 companies representing the U.S. Stock Market. 

Wilshire 5000 Equity Index -- consists of more than 6,000 common equity 
securities, covering all stocks in the U.S. for which daily pricing is 
available. 

Wilshire 4500 Equity Index -- consists of all stocks in the Wilshire 5000 
except for the 500 stocks in the Standard and Poor's 500 Index. 

Russell 3000 Stock Index -- a diversified portfolio of approximately 3,000 
common stocks accounting for over 90% of the market value of publicly traded 
stocks in the U.S. 

Russell 2000 Stock Index -- a subset of approximately 2,000 of the smallest 
stocks contained in the Russell 3000; a widely-used benchmark for small 
capitalization common stocks. 

Morgan Stanley Capital International EAFE Index -- is an arithmetic, market 
value-weighted average of the performance of over 900 securities listed on 
the stock exchanges of countries in Europe, Australia and the Far East. 

B-8

<PAGE>

Goldman Sachs 100 Convertible Bond Index -- currently includes 71 bonds and 
29 preferreds. The original list of names was generated by screening for 
convertible issues of $100 million or greater in market capitalization. The 
index is priced monthly. 

Salomon Brothers GNMA Index -- includes pools of mortgages originated by 
private lenders and guaranteed by the mortgage pools of the Government 
National Mortgage Association. 

Salomon Brothers High-Grade Corporate Bond Index -- consists of publicly 
issued, non- convertible corporate bonds rated Aa or Aaa. It is a 
value-weighted, total return index, including approximately 800 issues with 
maturities of 12 years or greater. 

Lehman Long-Term Treasury Bond -- is composed of all bonds covered by the 
Shearson Lehman Hutton Treasury Bond Index with maturities of 10 years or 
greater. 

Merrill Lynch Corporate & Government Bond -- consists of over 4,500 U.S. 
Treasury, Agency and investment grade corporate bonds. 

Lehman Corporate (Baa) Bond Index -- all publicly offered fixed-rate, 
nonconvertible domestic corporate bonds rated Baa by Moody's, with a maturity 
longer than 1 year and with more than $25 million outstanding. This index 
includes over 1,000 issues. 

Lehman Brothers Long-Term Corporate Bond Index -- is a subset of the Lehman 
Corporate Bond Index covering all corporate, publicly issued, fixed-rate, 
nonconvertible U.S. debt issues rated at least Baa, with at least $50 million 
principal outstanding and maturity greater than 10 years. 

Bond Buyer Municipal Index (20 Year) Bond -- is a yield index on current 
coupon high-grade general obligation municipal bonds. 

Standard & Poor's Preferred Index -- is a yield index based upon the average 
yield of four highgrade, non-callable preferred stock issues. 

NASDAQ Industrial Index -- is composed of more than 3,000 industrial issues. 
It is a value-weighted index calculated on price change only and does not 
include income. 

Composite Index -- 70% Standard & Poor's 500 Index and 30% NASDAQ Industrial 
Index. 

Composite Index -- 35% Standard & Poor's 500 Index and 65% Lehman Brothers 
Long-Term Corporate Bond Index. 

Composite Index -- 65% Standard & Poor's 500 Index and 35% Salomon Brothers 
High-Grade Bond Index. 

Lehman Brothers Aggregate Bond Index -- is a market-weighted index that 
contains individually priced U.S. Treasury, agency, corporate, and mortgage 
pass-through securities corporate rated BBB -- or better. The Index has a 
market value of over $4 trillion. 

Lehman Brothers Mutual Fund Short (1-5) Government/Corporate Index -- is a 
market- weighted index that contains individually priced U.S. Treasury, 
agency, and corporate investment grade bonds rated BBB -- or better with 
maturities between 1 and 5 years. The index has a market value of over $1.3 
trillion. 

Lehman Brothers Mutual Fund Intermediate (5-10) Government/Corporate Index -- 
is a market-weighted index that contains individually priced U.S. Treasury, 
agency, and corporate securities rated BBB -- or better with maturities 
between 5 and 10 years. The index has a market value of over $600 billion. 

Lehman Brothers Mutual Fund Long (10+) Government/Corporate Index -- is a 
market- weighted index that contains individually priced U.S. Treasury, 
agency, and corporate securities rated BBB -- or better with maturities 
greater than 10 years. The index has a market value of over $900 billion. 

                                                                             B-9
<PAGE>

Lipper Small Company Growth Fund Average -- the average performance of small 
company growth funds as defined by Lipper Analytical Services, Inc. Lipper 
defines a small company growth fund as a fund that by prospectus or portfolio 
practice, limits its investments to companies on the basis of the size of the 
company. From time to time, Vanguard may advertise using the average 
performance and/or the average expense ratio of the small company growth 
funds. (This fund category was first established in 1982. For years prior to 
1982, the results of the Lipper Small Company Growth category were estimated 
using the returns of the Funds that constituted the Group at its inception.) 

Lipper General Equity Fund Average -- an industry benchmark of average 
general equity funds with similar investment objectives and policies, as 
measured by Lipper Analytical Services, Inc. 

Lipper Fixed Income Fund Average -- an industry benchmark of average fixed 
income funds with similar investment objectives and policies, as measured by 
Lipper Analytical Services, Inc. 

Lipper Balanced Fund Average -- an industry benchmark of average balanced 
funds with similar investment objectives and policies, as measured by Lipper 
Analytical Services, Inc. 

Lipper Non-Government Money Market Fund Average -- an industry benchmark of 
average non- government money market funds with similar investment objectives 
and policies, as measured by Lipper Analytical Services, Inc. 

Lipper Government Money Market Fund Average -- an industry benchmark of 
average government money market funds with similar investment objectives and 
policies, as measured by Lipper Analytical Services, Inc. 


                            INVESTMENT MANAGEMENT 

   Each Portfolio of the Fund receives all investment advisory services on an 
at-cost basis from the Vanguard Fixed Income Group, an investment management 
staff employed directly by The Vanguard Group, Inc. ("Vanguard"), a 
subsidiary jointly owned by the Fund and the other Funds in The Vanguard 
Group of Investment Companies. The Fixed Income Group is supervised by the 
senior Officers of the Fund. 

   The Fixed Income Group is responsible for: maintaining the specified 
standards set forth for each Portfolio; making changes in specific issues in 
light of changes in the fundamental basis for purchasing such securities; and 
adjusting each Portfolio to meet cash inflow (or outflow), which reflects net 
purchases and exchanges of shares by investors (or net redemptions of shares) 
and reinvestment of a Portfolio's income. 

   A change in securities held by a Portfolio is known as "portfolio 
turnover" and may involve the payment by the Portfolio of dealer mark-ups, 
underwriting commissions and other transaction costs on the sales of 
securities as well as on the reinvestment of the proceeds in other 
securities. The portfolio turnover rate is not a limiting factor when 
management deems it desirable to sell or purchase securities. It is 
impossible to predict whether or not the portfolio turnover rate in future 
years will vary significantly from the rates in recent years. 
 
B-10


<PAGE>

                              PURCHASE OF SHARES 

   Each Portfolio of the Fund reserves the right in its sole discretion (i) 
to suspend the offering of its shares, (ii) to reject purchase orders when in 
the judgment of management such rejection is in the best interest of a 
Portfolio, and (iii) to reduce or waive the minimum investment for or any 
other restrictions on initial and subsequent investments under circumstances 
where certain economies can be achieved in sales of a Portfolio's shares. 

   Stock Certificates. Your purchase will be made in full and fractional 
shares of a Portfolio calculated to three decimal places. Shares are normally 
held on deposit for shareholders by the Fund, which will send to shareholders 
a statement of shares owned at the time of each transaction. This saves the 
shareholders the trouble of safekeeping the certificates and saves the Fund 
the cost of issuing certificates. For the Insured Long-Term Portfolio, share 
certificates are available at any time upon written request at no additional 
cost to shareholders. No certificates will be issued for the Money Market 
Portfolio, nor will certificates be issued for fractional shares in the 
Insured Long-Term Portfolio. 


                             REDEMPTION OF SHARES 

   Each Portfolio of the Fund may suspend redemption privileges or postpone 
the date of payment (i) during any period that the New York Stock Exchange is 
closed, or trading on the Exchange is restricted as determined by the 
Securities and Exchange Commission (the "Commission"), (ii) during any period 
when an emergency exists as defined by the rules of the Commission as a 
result of which it is not reasonably practicable for a Portfolio to dispose 
of securities owned by it, or fairly to determine the value of its assets, 
and (iii) for such other periods as the Commission may permit. 

   If the Board of Trustees determines that it would be detrimental to the 
best interests of the remaining shareholders of a Portfolio to make payment 
wholly or partly in cash, a Portfolio may pay the redemption price in whole 
or in part by a distribution in kind of securities held by the Portfolio in 
lieu of cash in conformity with applicable rules of the Commission. Investors 
may incur brokerage charges on the sale of such securities so received in 
payment of redemptions. 

   No charge is made by a Portfolio for redemptions except for wire 
redemptions of under $5,000 which may be charged a maximum fee of $5.00. Any 
redemption may be more or less than the shareholder's cost depending on the 
Portfolio's net asset value. 

   Signature Guarantees. To protect your account, the Fund and Vanguard from 
fraud, signature guarantees are required for certain redemptions. Signature 
guarantees enable the Fund to verify the authenticity of the person who has 
authorized a redemption from your account. Signature guarantees are required 
in connection with: (1) all redemptions, regardless of the amount involved, 
when the proceeds are to be paid to someone other than the registered owners; 
and (2) share transfer requests. A signature guarantee may be obtained from a 
bank, broker, or any other guarantor that Vanguard deems to be acceptable. 
Notaries public are not acceptable guarantors. 

   A signature guarantee must appear either: (1) on the written request for 
redemption, (2) on a separate instrument for assignment ("stock power") which 
should specify the total number of shares to be redeemed, or (3) on all stock 
certificates tendered for redemption and, if shares held by the Fund are also 
being redeemed, on the letter or stock power. 


                                                                            B-11

<PAGE>

                             VALUATION OF SHARES 

   The valuation of shares of the Ohio Insured Long-Term Portfolio is 
described in detail in the Prospectus. 

   Ohio Money Market Portfolio. The net asset value per share of the Ohio 
Money Market Portfolio is determined on each day that the New York Stock 
Exchange is open. 

   It is the policy of the Ohio Money Market Portfolio to attempt to maintain 
a net asset value of $1.00 per share for purposes of sales and redemptions. 
The Money Market Portfolio seeks to maintain, but does not guarantee, a 
constant net asset value of $1.00 per share. Although the Money Market 
Portfolio invests in high-quality instruments, the shares of the Portfolio 
are not insured or guaranteed by the U.S. Government. The instruments held by 
the Ohio Money Market Portfolio are valued on the basis of amortized cost 
which does not take into account unrealized capital gains or losses. This 
involves valuing an instrument at-cost and thereafter assuming a constant 
amortization to maturity of any discount or premium, regardless of the impact 
of fluctuating interest rates on the market value of the instrument. While 
this method provides certainty in valuation, it may result in periods during 
which value, as determined by amortized cost, is higher or lower than the 
price the Portfolio would receive if it sold the instrument. During periods 
of declining interest rates, the daily yield on shares of the Portfolio 
computed as described above may tend to be higher than a like computation 
made by a fund with identical investments utilizing a method of valuation 
based upon market prices and estimates of market prices for all of its 
portfolio instruments. Thus, if the use of amortized cost by the Portfolio 
resulted in a lower aggregate portfolio value on a particular day, a 
prospective investor in the Portfolio would be able to obtain a somewhat 
higher yield than would result from investment in a fund utilizing solely 
market values, and existing investors in the Portfolio would receive less 
investment income. The converse would apply in a period of rising interest 
rates. 

   The valuation of the Ohio Money Market Portfolio's instruments based upon 
their amortized cost and the commitment to maintain the Portfolio's per share 
net asset value of $1.00 is permitted by Rule 2a-7 under the Investment 
Company Act of 1940, pursuant to which the Fund must adhere to certain 
conditions. Accordingly, the Fund has agreed to maintain a dollar-weighted 
average portfolio maturity for the Ohio Money Market Portfolio of 90 days or 
less, to purchase instruments having remaining maturities of thirteen months 
or less only, and to invest only in securities determined by the Board of 
Trustees to be of good quality with minimal credit risks. 

   It is a fundamental objective of management to maintain the Portfolio's 
price per share as computed for the purpose of sales and redemptions at 
$1.00. The Trustees have established procedures designed to achieve this 
objective. Such procedures will include a review of the Portfolio's holdings 
by the Trustees, at such intervals as they may deem appropriate, to determine 
whether the Portfolio's net asset value calculated by using available market 
quotations deviates from $1.00 per share based on amortized cost. The extent 
of any deviation will be examined by the Trustees. If such deviation exceeds 
1/2 of 1%, the Trustees will promptly consider what action, if any, will be 
initiated. In the event the Trustees determine that a deviation exists which 
may result in material dilution or other unfair results to investors or 
existing shareholders, they have agreed to take such corrective action as 
they regard as necessary and appropriate, including selling portfolio 
instruments prior to maturity to realize capital gains or losses or to 
shorten average portfolio maturity; withholding dividends; making a special 
capital distribution; redeeming shares in kind; or establishing a net asset 
value per share by using available market quotations. 

B-12

<PAGE>

                            MANAGEMENT OF THE FUND 

OFFICERS AND TRUSTEES 

   The Fund's Officers, under the supervision of the Board of Trustees, 
manage the day-to-day operations of the Fund. The Trustees set broad policies 
for the Fund and choose its Officers. A list of the Trustees and Officers of 
the Fund and a brief statement of their present positions and principal 
occupations during the past five years is set forth below. The mailing 
address of the Fund's Trustees and Officers is Post Office Box 876, Valley 
Forge, PA 19482. 

JOHN C. BOGLE, Chairman and Trustee* 
 Chairman and Director of The Vanguard Group, Inc., and of each of the 
 investment companies in The Vanguard Group; Director of The Mead Corporation 
 and General Accident Insurance. 

JOHN J. BRENNAN, President, Chief Executive Officer & Trustee* 
 President, Chief Executive Officer and Director of The Vanguard Group, Inc., 
 and of each of the investment companies in The Vanguard Group. 

ROBERT E. CAWTHORN, Trustee 
 Chairman of Rhone-Poulenc Rorer, Inc.; Director of Sun Company, Inc. 

BARBARA BARNES HAUPTFUHRER, Trustee 
 Director of The Great Atlantic and Pacific Tea Company, ALCO Standard Corp., 
 Raytheon Company, Knight-Ridder, Inc., and Massachusetts Mutual Life 
 Insurance Co. and Trustee Emerita of Wellesley College. 

BURTON G. MALKIEL, Trustee 
 Chemical Bank Chairman's Professor of Economics, Princeton University; 
 Director of Prudential Insurance Co. of America, Amdahl Corporation, Baker 
 Fentress & Co., The Jeffrey Co., and Southern New England Communications 
 Company. 

JAMES O. WELCH, Jr., Trustee 
 Retired Chairman of Nabisco Brands, Inc., retired Vice Chairman and Director 
 of RJR Nabisco; Director of TECO Energy, Inc. and Director of Kmart 
 Corporation. 

JOHN C. SAWHILL, Trustee 
 President and Chief Executive Officer, The Nature Conservancy; formerly, 
 Director and Senior Partner, McKinsey & Co. and President, New York 
 University; Director of Pacific Gas and Electric Company and NACCO 
 Industries. 

ALFRED M. RANKIN, JR.,Trustee 
 Chairman, President, and Chief Executive Officer of NACCO Industries, Inc.; 
 Director of the BFGoodrich Company and The Standard Products Company. 

J. LAWRENCE WILSON, Trustee 
 Chairman and Chief Executive Officer of Rohm & Haas Company; Director of 
 Cummins Engine Company and Trustee of Vanderbilt University. 

RAYMOND J. KLAPINSKY, Secretary* 
 Senior Vice President and Secretary of The Vanguard Group, Inc., Secretary 
 of each of the investment companies in The Vanguard Group. 

RICHARD F. HYLAND, Treasurer* 
 Treasurer of The Vanguard Group, Inc. and of each of the investment 
 companies in The Vanguard Group. 

KAREN E. WEST, Controller* 
 Principal of The Vanguard Group, Inc.; Controller of each of the investment 
 companies in The Vanguard Group. 

- ------ 
* Officers of the Fund are "interested persons" as defined in the Investment 
  Company Act of 1940. 

THE VANGUARD GROUP 

   Vanguard Ohio Tax-Free Fund is a member of The Vanguard Group of 
Investment Companies. Through their jointly-owned subsidiary, The Vanguard 
Group, Inc. ("Vanguard"), the Fund and other Funds in the Group obtain at 
cost virtually all of their corporate management, administrative and 
distribution services. Vanguard also provides investment advisory services on 
an at-cost basis to several other Vanguard Funds, including the Vanguard Ohio 
Tax-Free Fund. 

   Vanguard employs a supporting staff of management and administrative 
personnel needed to provide the requisite services to the Funds and also 
furnishes the Funds with necessary office space, furnishings and equipment. 

                                                                            B-13
<PAGE>

Each Fund pays its share of Vanguard's net expenses which are allocated among
the Funds under methods approved by the Board of Trustees (Directors) of each
Fund. In addition, each Fund bears its own direct expenses such as legal,
auditing and custodian fees.

   The Fund's Officers are also Officers and employees of Vanguard. No 
Officer or employee owns, or is permitted to own, any securities of any 
external adviser for the Funds. 

   The Vanguard Group adheres to a Code of Ethics established pursuant to 
Rule 17j-1 under the Investment Company Act of 1940. The Code is designed to 
prevent unlawful practices in connection with the purchase or sale of 
securities by persons associated with Vanguard. Under Vanguard's Code of 
Ethics certain officers and employees of Vanguard who are considered access 
persons are permitted to engage in personal securities transactions. However, 
such transactions are subject to procedures and guidelines substantially 
similar to those recommended by the mutual fund industry and approved by the 
U.S. Securities and Exchange Commission. 

   The Vanguard Group, Inc. ("Vanguard") was established and operates under a 
Funds' Service Agreement which was approved by the shareholders of each of 
the Funds. The amounts which each of the Funds has invested are adjusted from 
time to time in order to maintain the proportionate relationship between each 
Fund's relative net assets and its contribution to Vanguard's capital. At 
November 30, 1995, Vanguard Ohio Tax-Free Fund had contributed capital of 
$44,000 to Vanguard representing .2% of Vanguard's capitalization. The Funds' 
Service Agreement provides as follows: (1) each Vanguard Fund may invest a 
maximum of 0.40% of its assets in Vanguard and (2) there is no restriction on 
the maximum cash investment that the Vanguard Funds may make in Vanguard. 

   Management. Corporate management and administrative services include: (1) 
executive staff; (2) accounting and financial; (3) legal and regulatory; (4) 
shareholder account maintenance; (5) monitoring and control of custodian 
relationships; (6) shareholder reporting; and (7) review and evaluation of 
advisory and other services provided to the Funds by third parties. During 
the fiscal year ended November 30, 1995, the Fund's share at Vanguard's 
actual net costs of operations relating to management and administrative 
services including transfer agency totaled approximately $522,000. 

   Distribution. Vanguard provides all distribution and marketing activities 
for the Funds in the Group. Vanguard Marketing Corporation, a wholly-owned 
subsidiary of The Vanguard Group, Inc., acts as Sales Agent for shares of the 
Funds in connection with any sales made directly to investors in the states 
of Florida, Missouri, New York, Ohio, Texas and such other states as it may 
be required. 

   The principal distribution expenses are for advertising, promotional 
materials and marketing personnel. Distribution services may also include 
organizing and offering to the public, from time to time, one or more new 
investment companies which will become members of the Group. The Trustees 
(Directors) and Officers of Vanguard determine the amount to be spent 
annually on distribution activities, the manner and amount to be spent on 
each Fund, and whether to organize new investment companies. 

   One half of the distribution expenses of a marketing and promotional 
nature is allocated among the Funds based upon their relative net assets. The 
remaining one half of these expenses is allocated among the Funds based upon 
each Fund's sales for the preceding 24 months relative to the total sales of 
the Funds as a Group; provided, however, that no Fund's aggregate quarterly 
rate of contribution for distribution expenses of a marketing and promotional 
nature shall exceed 125% of the average distribution expense rate for the 
Group, and that no Fund shall incur annual distribution expenses in excess of 
20/100 of 1% of its average month-end net assets. During the year ended 
November 30, 1995, the Fund paid approximately $84,000 of the Group's 
distribution and marketing expenses. 

   Investment Advisory Services. Vanguard also provides investment advisory 
services to the Fund, Vanguard Municipal Bond Fund, Vanguard Bond Index Fund, 
Vanguard Money Market Reserves, Vanguard Florida Insured Tax-Free Fund, 
Vanguard New Jersey Tax-Free Fund, Vanguard New York Insured Tax-Free Fund, 
Vanguard Pennsylvania Tax-Free Fund, Vanguard California Tax-Free Fund, 
Vanguard Tax-Managed Fund, the Aggressive Growth Portfolio of Vanguard 
Horizon Fund, Vanguard Index Trust, Vanguard Admiral Funds, Vanguard 
International Equity Index Fund, Vanguard Balanced Index Fund, Vanguard

B-14

<PAGE>

Institutional Index Fund, several portfolios of Vanguard Variable Insurance
Fund, several Portfolios of Vanguard Fixed Income Securities Fund, a portion of
Vanguard/Windsor II, a portion of Vanguard/Morgan Growth Fund as well as several
indexed separate accounts. These services are provided on an at-cost basis from
a money management staff employed directly by Vanguard. The compensation and
other expenses of this staff are paid by the Funds utilizing these services.
During the year ended November 30, 1993, 1994 and 1995, the Fund paid
approximately $22,000, $34,000, and $43,000 respectively, of Vanguard's
investment advisory expenses.

   
   Remuneration of Trustees and Officers. The Fund pays each Trustee, who is 
not also an Officer, an annual fee plus travel and other expenses incurred in 
attending Board meetings. The Fund's Officers and employees are paid by 
Vanguard which, in turn, is reimbursed by the Fund, and each other Fund in 
the Group, for its proportionate share of Officers' and employees' salaries 
and retirement benefits. During the year ended November 30, 1995, the Fund's 
proportionate share of renumeration paid to all Officers of the Fund, as a 
group, was approximately $11,483. 

   Trustees who are not Officers receive an annual fee upon retirement equal 
to $1,000 for each year of service on the board up to a maximum of $15,000. 
Under its retirement plan, Vanguard contributes annually an amount equal to 
10% of each Officer's annual compensation plus 5.7% of that part of the 
Officer's compensation during the year, if any, that exceed the Social 
Security Taxable Wage Base then in effect. Under Vanguard's thrift plan, all 
employees are permitted to make pre-tax contributions in a maximum amount 
equal to 4% of total compensation. Vanguard matches the basic contribution on 
a 100% basis. During the year ended November 30, 1995 the Fund's 
proportionate share of retirement benefits paid to all Officers of the Fund, 
as a group, was approximately $300. 
    


                         VANGUARD OHIO TAX-FREE FUND 
                              COMPENSATION TABLE 

<TABLE>
<CAPTION>


                                                   Pension or                           Total Compensation 
                                Aggregate      Retirement Benefits      Estimated            From All 
                               Compensation      Accrued As Part     Annual Benefits   Vanguard Funds Paid 
     Names of Trustees          From Fund       of Fund Expenses     Upon Retirement      to Trustees(3) 
     -----------------       --------------   -------------------    ---------------   ------------------- 
<S>                                <C>                 <C>               <C>                 <C>     
John C. Bogle(1), (2)  ....          --                 --                    --                  -- 
John J. Brennan(2)  .......          --                 --                    --                  -- 
Barbara Barnes Hauptfuhrer         $145                $25               $15,000             $60,000 
Robert E. Cawthorn  .......        $145                $21               $13,000             $60,000 
Burton G. Malkiel  ........        $145                $17               $15,000             $60,000 
Alfred M. Rankin, Jr.  ....        $145                $13               $15,000             $60,000 
John C. Sawhill  ..........        $145                $16               $15,000             $60,000 
James O. Welch, Jr.  ......        $145                $19               $15,000             $60,000 
J. Lawrence Wilson  .......        $145                $14               $15,000             $60,000 
</TABLE>

- ------ 
(1) For the period reported in this table, Mr. Bogle was the Fund's Chief 
    Executive Officer, and therefore an "Interested Trustee." 
(2) As "Interested Trustees," Messrs. Bogle and Brennan receive no 
    compensation for their service as Trustees. 
(3) The amounts reported in this column reflect the total compensation paid 
    to each Trustee for their service as Director or Trustee of 34 Vanguard 
    Funds. 


                   DESCRIPTION OF SHARES AND VOTING RIGHTS 

   The Fund was organized as a Pennsylvania business trust on March 16, 1990. 

   The Declaration of Trust permits the Trustees to issue an unlimited number 
of shares of beneficial interest, without par value, from an unlimited number 
of separate classes ("Portfolios") of shares. Currently, the Fund is offering 
shares of two Portfolios. 

   The shares of the Fund are fully paid and nonassessable, except as set 
forth under "Shareholder and Trustee Liability," and have no preference as to 
conversion, exchange, dividends, retirement or other features. The shares of 

                                                                            B-15
<PAGE>


the Fund have no pre-emptive rights. The shares of the Fund have non-cumulative
voting rights, which means that the holders of more than 50% of the shares
voting for the election of Trustees can elect 100% of the Trustees if they
choose to do so. A shareholder is entitled to one vote for each full share held
(and a fractional vote for each fractional share held), then standing in his
name on the books of the Fund. On any matter submitted to a vote of
shareholders, all shares of the Fund then issued and outstanding and entitled to
vote, irrespective of the class, shall be voted in the aggregate and not by
class: except (i) when required by the Investment Company Act of 1940, shares
shall be voted by individual class; and (ii) when the matter does not affect any
interest of a particular class, then only shareholders of the affected class or
classes shall be entitled to vote thereon.

   The Fund will continue without limitation of time, provided, however that: 
        
       1) Subject to the majority vote of the holders of shares of the Fund 
   outstanding, the Trustees may sell or convert the assets of the Fund to 
   another investment company in exchange for shares of such investment 
   company, and distribute such shares, ratably among the shareholders of the 
   Fund; and 

       2) Subject to the majority vote of shares of the Fund outstanding, the 
   Trustees may sell and convert into money the assets of the Fund and 
   distribute such assets ratably among the shareholders of the Fund. 

   Upon completion of the distribution of the remaining proceeds or the 
remaining assets of any Portfolio as provided in paragraphs 1) and 2) above, 
the Fund shall terminate and the Trustees shall be discharged of any and all 
further liabilities and duties hereunder and the right, title and interest of 
all parties shall be cancelled and discharged. 

   Shareholder and Trustee Liability. Under Pennsylvania law shareholders of 
such a Trust may, under certain circumstances, be held personally liable as 
partners for the obligations of the Fund. Therefore, the Declaration of Trust 
contains an express disclaimer of shareholder liability for acts or 
obligations of the Fund and requires that notice of such disclaimer be given 
in each agreement, obligation, or instrument entered into or executed by the 
Fund or the Trustees. The Declaration of Trust provides for indemnification 
out of the Fund property of any shareholder held personally liable for the 
obligations of the Fund. The Declaration of Trust also provides that the Fund 
shall, upon request, assume the defense of any claim made against any 
shareholder for any act or obligation of the Fund and satisfy any judgment 
thereon. Thus, the risk of a shareholder incurring financial loss on account 
of shareholder liability is limited to circumstances in which the Fund itself 
would be unable to meet its obligations. 

   The Declaration of Trust further provides that the Trustees will not be 
liable for errors of judgment or mistakes of fact or law but nothing in the 
Declaration of Trust protects a Trustee against any liability to which he 
would otherwise be subject by reason of willful misfeasance, bad faith, gross 
negligence, or reckless disregard of the duties involved in the conduct of 
his office. 


                             FINANCIAL STATEMENTS 

   The Fund's Financial Statements for the year ended November 30, 1995 and 
the financial highlights for each of the periods presented, appearing in the 
Fund's 1995 Annual Report to Shareholders, and the report thereon of Price 
Waterhouse LLP, independent accountants, also appearing therein, are 
incorporated by reference in this Statement of Additional Information. The 
Fund's 1995 Annual Report to Shareholders is enclosed with this Statement of 
Additional Information. 


B-16

<PAGE>


         APPENDIX A-DESCRIPTION OF MUNICIPAL BONDS AND THEIR RATINGS 

   Municipal Bonds-General. Municipal bonds generally include debt 
obligations issued by states and their political subdivisions, and duly 
constituted authorities and corporations, to obtain funds to construct, 
repair or improve various public facilities such as airports, bridges, 
highways, hospitals, housing, schools, streets and water and sewer works. 
Municipal bonds may also be issued to refinance outstanding obligations as 
well as to obtain funds for general operating expenses and for loan to other 
public institutions and facilities. 

   The two principal classifications of municipal bonds are "general 
obligation" and "revenue" or "special tax" bonds. General obligation bonds 
are secured by the issuer's pledge of its full faith, credit and taxing power 
for the payment of principal and interest. Revenue or special tax bonds are 
payable only from the revenues derived from a particular facility or class of 
facilities or, in some cases, from the proceeds of a special excise or other 
tax, but not from general tax revenues. The Fund may also invest in 
tax-exempt industrial development bonds, short-term municipal obligations 
(rated SP-1+ or SP-1 by Standard & Poor's Corp. or MIG-1 by Moody's Investors 
Service), project notes, demand notes and tax- exempt commercial papers 
(rated A-1 by Standard & Poor's Corp. or P-1 by Moody's Investors Service). 

   Industrial revenue bonds in most cases are revenue bonds and generally do 
not have the pledge of the credit of the issuer. The payment of the principal 
and interest on such industrial revenue bonds is dependent solely on the 
ability of the user of the facilities financed by the bonds to meet its 
financial obligations and the pledge, if any, of real and personal property 
so financed as security for such payment. Short-term municipal obligations 
issued by states, cities, municipalities or municipal agencies include tax 
anticipation notes, revenue anticipation notes, bond anticipation notes, 
construction loan notes and short-term discount notes. Project notes are 
instruments insured by the Department of Housing and Urban Development but 
issued by a state or local housing agency. While the issuing agency has the 
primary obligation on such project notes, they are also secured by the full 
faith and credit of the United States. 

   Note obligations with demand or put options may have a stated maturity in 
excess of one year, but permit any holder to demand payment of principal plus 
accrued interest upon a specified number of days' notice. Frequently, such 
obligations are secured by letters of credit or other credit support 
arrangements provided by banks. The issuer of such notes normally has a 
corresponding right, after a given period, to repay in its discretion the 
outstanding principal of the note plus accrued interest upon a specific 
number of days' notice to the bondholders. The interest rate on a demand note 
may be based upon a known lending rate, such as a bank's prime rate, and be 
adjusted when such rate changes, or the interest rate on a demand note may be 
a market rate that is adjusted at specified intervals. The demand notes in 
which the Fund will invest are payable on not more than one year's notice. 
Each note purchased by the Fund will meet the quality criteria set out above 
for the Fund. 

   The yields of municipal bonds depend on, among other things, general money 
market conditions, conditions in the municipal bond market, the size of a 
particular offering, the maturity of the obligation, and the rating of the 
issue. The ratings of Moody's Investors Service, Inc. and Standard & Poor's 
Corporation represent their opinions of the quality of the municipal bonds 
rated by them. It should be emphasized that such ratings are general and are 
not absolute standards of quality. Consequently, municipal bonds with the 
same maturity, coupon and rating may have different yields, while municipal 
bonds of the same maturity and coupon, but with different ratings may have 
the same yield. It will be the responsibility of Vanguard's Fixed Income 
Group to appraise independently the fundamental quality of the bonds held by 
the Fund. 

   Municipal bonds are sometimes purchased on a "when-issued" basis meaning 
the Fund has committed to purchasing certain specified securities at an 
agreed upon price when they are issued. The period between commitment date 
and issuance date can be a month or more. It is possible that the securities 
will never be issued and the commitment canceled. 

   From time to time proposals have been introduced before Congress to 
restrict or eliminate the federal income tax exemption for interest on 
municipal bonds. Similar proposals may be introduced in the future.

B-17

<PAGE>

If any such proposal were enacted, it might restrict or eliminate the ability of
the Fund to achieve its investment objective. In that event, the Fund's Trustees
and Officers would reevaluate its investment objective and policies and consider
recommending to its shareholders changes in such objective and policies.

   Similarly, from time to time proposals have been introduced before state 
and local legislatures to restrict or eliminate the state and local income 
tax exemption for interest on municipal bonds. Similar proposals may be 
introduced in the future. If any such proposal were enacted, it might 
restrict or eliminate the ability of each Portfolio to achieve its respective 
investment objective. In that event, the Fund's Trustees and Officers would 
reevaluate its investment objective and policies and consider recommending to 
its shareholders changes in such objective and policies. 

   Ratings. Excerpts from Moody's Investors Service, Inc.'s municipal bond 
ratings: Aaa--judged to be of the "best quality" and are referred to as "gilt 
edge"; interest payments are protected by a large or by an exceptionally 
stable margin and principal is secure, Aa--judged to be of "high quality by 
all standards" but as to which margins of protection or other elements make 
long-term risks appear somewhat larger than Aaa-rated municipal bonds; 
together with Aaa group they comprise what are generally known as "high grade 
bonds"; A--possess many favorable investment attributes and are considered 
"upper medium grade obligations." Factors giving security to principal and 
interest of A-rated municipal bonds are considered adequate, but elements may 
be present which suggest a susceptibility to impairment sometime in the 
future; Baa--considered as medium grade obligations; i.e., they are neither 
highly protected nor poorly secured; interest payments and principal security 
appear adequate for the present but certain protective elements may be 
lacking or may be characteristically unreliable over any great length of 
time; Ba--protection of principal and interest payments may be very moderate; 
judged to have speculative elements; their future cannot be considered as 
well-assured; B--lack characteristics of a desirable investment; assurance of 
interest and principal payments over any long period of time may be small; 
Caa--poor standing; may be in default or there may be present elements of 
danger with respect to principal and interest; Ca--speculative in a high 
degree; often in default; C--lowest rated class of bonds; issues so rated can 
be regarded as having extremely poor prospects for ever attaining any real 
investment standing. 

   Description of Moodys' ratings of state and municipal notes: Moody's 
ratings for state and municipal notes and other short-term obligations are 
designated Moody's Investment Grade ("MIG"). Symbols used will be as follows: 
MIG-1--Best quality, enjoying strong protection from established cash flows 
of funds for their servicing or from established and broad-based access to 
the market for refinancing, or both; MIG-2--High quality with margins of 
protection ample although not so large as in the preceding group. 

   Description of Moody's highest commercial paper rating: Prime-1 
("P-1")--Judged to be of the best quality. Their short-term debt obligations 
carry the smallest degree of investment risk. 

   Excerpts from Standard & Poor's Corporation's municipal bond ratings: 
AAA--has the highest rating assigned by S&P; extremely strong capacity to pay 
principal and interest; AA--has a very strong capacity to pay interest and 
repay principal and differs from the higher rated issues only in a small 
degree; A--has a strong capacity to pay principal and interest, although 
somewhat more susceptible to the adverse changes in circumstances and 
economic conditions; BBB--regarded as having an adequate capacity to pay 
principal and interest; normally exhibit adequate protection parameters but 
adverse economic conditions or changing circumstances are more likely to lead 
to a weakened capacity to pay principal and interest than for bonds in A 
category; BB--B--CCC--CC--predominantly speculative with respect to capacity 
to pay interest and repay principal in accordance with terms of obligations; 
BB is being paid; D--in default, and payment of principal and/or interest is 
in arrears. 

   The ratings from "AA" to "B" may be modified by the addition of a plus or 
minus sign to show relative standing within the major rating categories. 

   Excerpt from Standard & Poor's Corporation's rating of municipal notes 
issues: SP-1 + -- very strong capacity to pay principal and interest; 
SP-1--strong capacity to pay principal and interest. 

B-18

<PAGE>


   Description of S&P's highest commercial papers ratings: A-1 + -- This 
designation indicates the degree of safety regarding timely payment is 
overwhelming. A-1--This designation indicates the degree of safety regarding 
timely payment is very strong. 


                   APPENDIX B--MUNICIPAL LEASE OBLIGATIONS 

   Each Portfolio may invest in municipal lease obligations. Such securities 
will be treated as liquid under the following guidelines that have been 
established by the Board of Trustees: 

       1. The obligation has been rated "investment grade" by at least one 
   NRSRO and is considered to be investment grade by the investment adviser.
 
       2. The obligation is secured by payments from a governmental lessee 
   which is generally recognized and has debt obligations which are actively 
   traded by a minimum of five broker/dealers. 

       3. At least $25 million of the lessee debt is outstanding either in a 
   single transaction or on parity, and owned by a minimum of five 
   institutional investors. 

       4. The investment adviser has determined that the obligation, or a 
   comparable lessee security, trades in the institutional marketplace at 
   least periodically, with a bid/offer spread of 20 basis points or less. 

       5. The governmental lessee has a full faith and credit general 
   obligation rating of at least "A--" as published by at least one NRSRO or 
   as determined by the investment adviser. If the lessee is a state 
   government, the general obligation rating must be at least BAA1, BBB+, or 
   equivalent, as determined above. 

       6. The projects to be financed by the obligation are determined to be 
   critical to the lessee's ability to deliver essential services. 

       7. Specific legal features such as covenants to maintain the tax-exempt 
   status of the obligation, covenants to make lease payments without the 
   right of offset or counterclaim, covenants to return leased property to 
   the lessor in the event of non-appropriation, insurance policies, debt 
   service reserve fund, are present. 

       8. The lease must be "triple net" (i.e.--lease payments are net of 
   property maintenance, taxes and insurance). 

       9. If the lessor is a private entity, there must be a sale and absolute 
   assignment of rental payments to the trustee, accompanied by a legal 
   opinion from recognized bond counsel that lease payments would not be 
   considered property of the lessor's estate in the event of lessor's 
   bankruptcy. 
    

                                                                            B-19



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