MERRILL LYNCH ARKANSAS MUNICIPAL BOND FUND OF MLMSMST
N-30D, 2000-09-22
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MERRILL LYNCH
ARKANSAS
MUNICIPAL
BOND FUND



FUND LOGO



Annual Report

July 31, 2000



This report is not authorized for use as an offer of sale or a
solicitation of an offer to buy shares of the Fund unless
accompanied or preceded by the Fund's current prospectus. Past
performance results shown in this report should not be considered a
representation of future performance. Investment return and
principal value of shares will fluctuate so that shares, when
redeemed, may be worth more or less than their original cost.
Statements and other information herein are as dated and are subject
to change.




Merrill Lynch Arkansas
Municipal Bond Fund
Merrill Lynch Multi-State
Municipal Series Trust
Box 9011
Princeton, NJ
08543-9011


Printed on post-consumer recycled paper



Merrill Lynch Arkansas Municipal Bond Fund
July 31, 2000


TO OUR SHAREHOLDERS


The Municipal Market Environment
During the six months ended July 31, 2000, US domestic economic
growth remained robust. After growing at a 4.2% annual rate in 1999,
US domestic economic growth expanded at a 4.8% rate during the first
quarter of 2000 and at a 5.2% rate during the second quarter.
However, despite these significant growth rates, few price measure
indicators have shown any meaningful signs of future price pressures
at the consumer level, despite the lowest unemployment rates since
1970. With few signs of any economic slowdown, the Federal Reserve
Board continued to raise short-term interest rates in February,
March and May 2000. The Federal Reserve Board cited both the
continued growth of US employment and the continued strength of US
equity markets as reasons for attempting to moderate US economic
growth before inflationary price pressures can occur.

However, since then fixed-income markets have largely ignored strong
economic fundamentals and concentrated upon very positive technical
supply factors. Declining bond issuance--both current, and more
importantly, expected future issuance--helped push bond yields lower
into mid-April 2000. In late January and early February 2000, the US
Treasury announced its intention to reduce the amounts to be
auctioned in the quarterly Treasury note and bond auctions.
Furthermore, budgetary surpluses allowed the US Treasury to
repurchase outstanding, higher-couponed Treasury issues, primarily
in the 15-year and longer maturity sector. Both these actions
resulted in significant reduction in the outstanding supply of
longer-dated maturity US Treasury debt. Domestic and international
investors quickly began to accumulate what was expected to become a
scarce commodity and bond prices quickly rose.

By mid-April 2000, US Treasury bond yields had declined more than 80
basis points (0.80%) to 5.67%. During the remainder of the period,
US Treasury bond prices were volatile as strong economic reports and
investors' concerns of additional moves by the Federal Reserve Board
occasionally overshadowed the positive technical position of the
long-term US Treasury bond market.

Recently, a number of economic indicators have begun to suggest that
the actions taken by the Federal Reserve Board in 1999 and early
2000 have started to affect US economic growth. Both new home sales
and consumer spending have slowed, suggesting that economic growth
may subside into a 4%--4.5% range by late 2000. In our opinion, this
range of growth was targeted by the Federal Reserve Board as being
sustainable, given current productivity measures, without
endangering the present benign inflationary environment.

By June, investor focus returned to the dwindling supply of long-
term US Treasury securities and bond prices generally rose for the
remainder of the period. The decline in long-term US Treasury bond
yields resulted in an inverted yield curve as short-term and
intermediate-term interest rates did not fall proportionately to
long-term interest rates as the Federal Reserve Board was expected
to continue to raise short-term interest rates. The current
inversion has had as much to do with debt reduction and US Treasury
buybacks as with investor expectations of slower economic growth.
During the last six months, US Treasury bond yields have declined
more than 70 basis points to end the period at 5.78%, their lowest
monthly closing level since May 1999.

Tax-exempt bond yields also have declined in recent months. The
decline has largely been in response to the rally in US Treasury
securities, as well as a continued positive technical supply
environment. States such as California and Maryland have announced
that their large current and anticipated future budget surpluses
will permit the cancellation or postponement of expected bond
issuance. Additionally, some issuers have also initiated tenders to
repurchase existing debt, reducing the supply of tax-exempt bonds in
the secondary market as well. Given the decline in available long-
term US Treasury securities, some investors who need longer maturity
investment vehicles have begun to consider long-term municipal bonds
as potential substitutes. This has further strengthened the overall
positive technical position of the tax-exempt market. During the
last six months, long-term municipal revenue bond yields have
declined nearly 50 basis points to 5.85%, their lowest level since
late August 1999, as measured by the Bond Buyer Revenue Bond Index.


Merrill Lynch Arkansas Municipal Bond Fund
July 31, 2000


The recent relative underperformance of the municipal bond market in
recent months has been especially disappointing given the strong
technical position the tax-exempt bond market has enjoyed. The
issuance of long-term tax-exempt securities has dramatically
declined. During the last year, almost $200 billion in new long-term
municipal securities was issued, a decline of almost 20% compared to
the same period a year earlier. For the six months ended July 31,
2000, approximately $100 billion in new tax-exempt bonds was
underwritten, a decline of 17% compared to the same period in 1999.


Merrill Lynch Arkansas Municipal Bond Fund
July 31, 2000


Although investors received more than $45 billion in coupon
payments, bond maturities and the proceeds from early bond
redemptions during June and July, overall investor demand has
diminished. Long-term municipal bond mutual funds have seen
consistent outflows in recent months as the yields of individual
securities have risen faster than those larger, more diverse mutual
funds. Thus far this year, tax-exempt mutual funds have had net
redemptions of more than $12 billion.

However, the rate at which these redemptions have been occurring has
slowed in recent months. Recent US equity market volatility,
especially in the NASDAQ, has reduced some investor interest in the
stock market. This investor interest, especially earlier this year,
had been siphoning away demand for municipal bonds by retail
investors. Also, the demand from property and casualty companies is
expected to increase in the coming months. These firms are becoming
more profitable after experiencing losses in the past few years
resulting from a series of weather-related natural disasters. Yet as
positive as the tax-exempt bond market's technical environment has
been for much of this year, investor response to the reduction in
both current and future supply of US Treasury bonds has been
overwhelmingly positive and municipal bond yields have
underperformed their taxable counterparts.

Significantly lower municipal bond yields are still likely to
require weaker US employment growth and consumer spending. The
actions taken in recent months by the Federal Reserve Board should
eventually slow US economic growth. Recent declines in US new home
sales are perhaps the first sign that consumer spending is being
slowed by higher interest rates. Until further signs develop, it is
likely that the municipal bond market's current favorable technical
position will dampen significant tax-exempt interest rate volatility
and provide a stable environment for eventual improvement in
municipal bond prices.


Fiscal Year in Review
We entered the fiscal year ended July 31, 2000 in a defensive
position in response to heightened economic growth and inflationary
fears. During the first six months of the fiscal year, we initially
retained our defensive position toward the municipal bond market,
then gradually shifted to a neutral stance. We accomplished this
shift by investing the majority of the Fund's cash reserve and by
purchasing bonds with longer maturities in exchange for bonds with
shorter maturities. Our goal in this shift of strategy was to both
enhance shareholder income and to take advantage of the highest
absolute municipal yields since the spring of 1997. During the last
six months, we maintained our neutral investment position and fully
invested status for the majority of the period. We found it prudent
to maintain this position in anticipation of clearer signs regarding
future economic growth and inflation expectations. Our shift in
strategy to a neutral stance from a defensive one aided the Fund's
performance during the last six months as municipal yields declined
in conjunction with the US Treasury market.

During the fiscal year, the Fund's investment restructuring was
somewhat inhibited by a lack of municipal bond issuance. Arkansas
municipal issuance declined 13% from year ago levels. While the lack
of supply may have aided in keeping the prices of Arkansas municipal
bonds relatively firm, it also limited our options of coupon
structuring, issuer diversification and call protection. We
continually monitor the call protection, credit quality, coupon
structuring and diversification of the Fund in an effort to provide
optimal performance. The decline in new municipal bond issuance can
be traced, in part, to the strong fiscal performance of municipal
entities at most levels of government.


Merrill Lynch Arkansas Municipal Bond Fund
July 31, 2000


Our strategy throughout the period resulted in above-average total
return performance when compared to the industry average, as
measured by the Lipper Analytical Services, Inc. Other States
Municipal Debt Fund Average. The Fund's Class A, Class B, Class C
and Class D Shares returned +2.68%, +2.16%, +2.16% and +2.58%,
respectively, compared to the average return of +1.91% for the
Lipper Analytical Services, Inc. Other States Municipal Debt Fund
Average. (Fund results shown do not reflect sales charges and would
be lower if sales charges were included. Complete performance
information can be found on pages 4 and 5 of this report to
shareholders.) Looking ahead, we intend to remain fully invested in
the municipal market in an effort to enhance shareholder income. We
will be looking for opportunities provided by new Arkansas municipal
issuance to enhance the Fund's call protection and issuer
diversification. We will also consider taking a more aggressive
investment stance should the economic indicators continue to point
to a cooling of growth and a more stable inflation environment.


In Conclusion
We appreciate your ongoing interest in Merrill Lynch Arkansas
Municipal Bond Fund, and we look forward to assisting you with your
financial needs in the months and years ahead.

Sincerely,



(Terry K. Glenn)
Terry K. Glenn
President and Trustee



(Vincent R. Giordano)
Vincent R. Giordano
Senior Vice President



(Robert D. Sneeden)
Robert D. Sneeden
Portfolio Manager



August 30, 2000

We are pleased to announce that Robert D. Sneeden is responsible for
the day-to-day management of Merrill Lynch Arkansas Municipal Bond
Fund. Mr. Sneeden has been employed by Merrill Lynch Investment
Managers since 1994 as Assistant Vice President and Portfolio
Manager.


Merrill Lynch Arkansas Municipal Bond Fund
July 31, 2000



PERFORMANCE DATA


About Fund Performance

Investors are able to purchase shares of the Fund through the
Merrill Lynch Select Pricing SM System, which offers four pricing
alternatives:

* Class A Shares incur a maximum initial sales charge (front-end
load) of 4% and bear no ongoing distribution or account maintenance
fees. Class A Shares are available only to eligible investors.

* Class B Shares are subject to a maximum contingent deferred sales
charge of 4% if redeemed during the first year, decreasing 1% each
year thereafter to 0% after the fourth year. In addition, Class B
Shares are subject to a distribution fee of 0.25% and an account
maintenance fee of 0.25%. These shares automatically convert to
Class D Shares after approximately 10 years. (There is no initial
sales charge for automatic share conversions.)

* Class C Shares are subject to a distribution fee of 0.35% and an
account maintenance fee of 0.25%. In addition, Class C Shares are
subject to a 1% contingent deferred sales charge if redeemed within
one year of purchase.

* Class D Shares incur a maximum initial sales charge of 4% and an
account maintenance fee of 0.10% (but no distribution fee).

None of the past results shown should be considered a representation
of future performance. Figures shown in the "Recent Performance
Results" and "Average Annual Total Return" tables assume
reinvestment of all dividends and capital gains distributions at net
asset value on the payable date. Investment return and principal
value of shares will fluctuate so that shares, when redeemed, may be
worth more or less than their original cost. Dividends paid to each
class of shares will vary because of the different levels of account
maintenance, distribution and transfer agency fees applicable to
each class, which are deducted from the income available to be paid
to shareholders. The Fund's Investment Adviser voluntarily waived a
portion of its management fee. Without such waiver, the Fund's
performance would have been lower.


<TABLE>
Recent Performance Results*
                                                    6 Month        12 Month     Since Inception   Standardized
As of July 31, 2000                               Total Return   Total Return     Total Return    30-Day Yield
<S>                                                  <C>             <C>             <C>            <C>
ML Arkansas Municipal Bond Fund Class A Shares        +5.18%          +2.68%          +36.19%         3.09%
ML Arkansas Municipal Bond Fund Class B Shares        +4.91           +2.16           +32.19          2.71
ML Arkansas Municipal Bond Fund Class C Shares        +4.86           +2.16           +32.12          2.62
ML Arkansas Municipal Bond Fund Class D Shares        +5.13           +2.58           +36.02          3.00


*Investment results shown do not reflect sales charges; results
would be lower if a sales charge was included. Total investment
returns are based on changes in net asset values for the periods
shown, and assume reinvestment of all dividends and capital gains
distributions at net asset value on the payable date. The Fund's
since inception periods are from 9/30/94 for Class A & Class B
Shares and from 10/21/94 for Class C & Class D Shares.
</TABLE>


Merrill Lynch Arkansas Municipal Bond Fund
July 31, 2000


PERFORMANCE DATA (concluded)


Total Return Based on a $10,000 Investment

A line graph depicting the growth of ML Arkansas Municipal Bond
Fund's Class A and Class B Shares compared with growth of the Lehman
Brothers Municipal Bond Index++++. Beginning and ending values are:

                                       9/30/94**       7/00

ML Arkansas Municipal Bond Fund++--
Class A Shares*                       $ 9,600        $13,074

ML Arkansas Municipal Bond Fund++--
Class B Shares*                       $10,000        $13,219

Lehman Brothers Municipal Bond
Index++++                             $10,000        $14,585


A line graph depicting the growth of ML Arkansas Municipal Bond
Fund's Class C and Class D Shares compared with growth of the Lehman
Brothers Municipal Bond Index++++. Beginning and ending values are:


                                     10/21/94**       7/00
ML Arkansas Municipal Bond Fund++--
Class C Shares*                       $10,000        $13,212

ML Arkansas Municipal Bond Fund++--
Class D Shares*                       $ 9,600        $13,060

Lehman Brothers Municipal Bond
Index++++                             $10,000        $14,849


*Assuming maximum sales charge, transaction costs and other
operating expenses, including advisory fees.
**Commencement of operations.
++ML Arkansas Municipal Bond Fund invests primarily in long-term
investment-grade obligations issued by or on behalf of the state of
Arkansas, its political subdivisions, agencies and instrumentalities
and obligations of other qualifying issuers.
++++This unmanaged Index consists of long-term revenue bonds,
prerefunded bonds, general obligation bonds and insured bonds. The
starting date for the Index in the Class A & Class B Shares' graph
is from 9/30/94 and in the Class C & Class D Shares' graph is from
10/21/94.

Past performance is not predictive of future performance.


Average Annual Total Return

                                     % Return Without % Return With
                                       Sales Charge   Sales Charge**
Class A Shares*

One Year Ended 6/30/00                     +1.82%         -2.25%
Five Years Ended 6/30/00                   +4.63          +3.78
Inception (9/30/94) through 6/30/00        +5.32          +4.58

*Maximum sales charge is 4%.
**Assuming maximum sales charge.


                                         % Return        % Return
                                       Without CDSC    With CDSC**
Class B Shares*

One Year Ended 6/30/00                     +1.30%         -2.61%
Five Years Ended 6/30/00                   +4.08          +4.08
Inception (9/30/94) through 6/30/00        +4.77          +4.77

*Maximum contingent deferred sales charge is 4% and is reduced to 0%
after 4 years.
**Assuming payment of applicable contingent deferred sales charge.


                                         % Return        % Return
                                       Without CDSC    With CDSC**
Class C Shares*

One Year Ended 6/30/00                     +1.20%         +0.23%
Five Years Ended 6/30/00                   +4.00          +4.00
Inception(10/21/94)through6/30/00          +4.81          +4.81

*Maximum contingent deferred sales charge is 1% and is reduced
to 0% after 1 year.
**Assuming payment of applicable contingent deferred sales charge.


                                     % Return Without % Return With
                                       Sales Charge   Sales Charge**
Class D Shares*

One Year Ended 6/30/00                     +1.72%         -2.35%
Five Years Ended 6/30/00                   +4.51          +3.66
Inception (10/21/94) through 6/30/00       +5.34          +4.59

*Maximum sales charge is 4%.
**Assuming maximum sales charge.




Merrill Lynch Arkansas Municipal Bond Fund
July 31, 2000

<TABLE>
SCHEDULE OF INVESTMENTS                                                                      (in Thousands)

S&P     Moody's   Face
Ratings  Ratings  Amount                              Issue                                              Value

Arkansas--87.2%
<S>     <S>      <C>     <S>                                                                              <C>
BBB-    Baa3     $250    Arkansas State Development Finance Authority, Hospital Revenue Bonds
                         (Washington Regional Medical Center), 7.375% due 2/01/2030                       $  252

NR*     Aaa       240    Arkansas State Development Finance Authority, M/F Housing Revenue Bonds
                         (Pines Apartments Project), AMT, Series A, 5.85% due 11/15/2012 (b)                 242

                         Arkansas State Development Finance Authority, S/F Mortgage Revenue Bonds (d):
AAA     NR*       325     AMT, Series A, 7.30% due 3/01/2013                                                 336
AAA     NR*       290     (Mortgage Backed Securities Program), Series H, 6.15% due 7/01/2016 (b)            296

AA      NR*       300    Arkansas State Development Finance Authority, Wastewater System Revenue Bonds
                         (Revolving Loan Fund), Series A, 5.85% due 12/01/2019                               307

                         Arkansas State, GO (College Savings), Series A:
AA      Aa2       770     6.09%** due 6/01/2016                                                              321
AA      Aa2       750     5.95%** due 6/01/2017                                                              293

NR*     A         250    Arkansas State Student Loan Authority Revenue Bonds, AMT, Sub-Series B,
                         7.25% due 6/01/2009                                                                 280

A       A3        275    Baxter County, Arkansas, IDR, Refunding (Aeroquip Corp. Project),
                         5.80% due 10/01/2013                                                                278

BBB+    Baa1      625    Camden, Arkansas, Environmental Improvement Revenue Bonds (International
                         Paper Co. Project), AMT, Series A, 7.625% due 11/01/2018                            673

AAA     Aaa       250    Fort Smith, Arkansas, Water, Sewer and Construction Revenue Refunding Bonds,
                         6% due 10/01/2012 (f)                                                               254

AAA     Aaa       200    Jonesboro, Arkansas, Residential Housing and Health Care Facilities Board,
                         Hospital Revenue Refunding Bonds (Saint Bernards Regional Medical Center),
                         Series B, 5.90% due 7/01/2016 (e)                                                   206

AA      Aa3       200    Little Rock, Arkansas, GO, Refunding (Capital Improvement), 6.25% due 2/01/2008     200

AAA     Aaa       300    North Little Rock, Arkansas, Electric Revenue Refunding Bonds, Series A,
                         6.50% due 7/01/2015 (f)                                                             337

BBB+    Baa2      300    Pope County, Arkansas, PCR, Refunding (Arkansas Power & Light Co. Project),
                         6.30% due 12/01/2016                                                                290

AAA     Aaa       200    Saline County, Arkansas, Retirement Housing and Healthcare Facilities Board
                         Revenue Refunding Bonds (Evangelist Lutheran Project), 5.80% due 6/01/2011 (e)      207

AAA     Aaa       300    Sebastian County, Arkansas, Community Junior College District, GO, 5.95% due
                         4/01/2029 (e)                                                                       307

AAA     Aaa       250    University of Central Arkansas, Housing System Revenue Bonds, 6.50%
                         due 1/01/2031 (c)                                                                   274
</TABLE>


PORTFOLIO ABBREVIATIONS

To simplify the listings of Merrill Lynch Arkansas
Municipal Bond Fund's portfolio holdings in the Schedule
of Investments, we have abbreviated the names of many
of the securities according to the list at right.

AMT      Alternative Minimum Tax (subject to)
GO       General Obligation Bonds
IDR      Industrial Development Revenue Bonds
M/F      Multi-Family
PCR      Pollution Control Revenue Bonds
S/F      Single-Family
VRDN     Variable Rate Demand Notes


Merrill Lynch Arkansas Municipal Bond Fund
July 31, 2000

<TABLE>
SCHEDULE OF INVESTMENTS (concluded)                                                          (in Thousands)

S&P     Moody's   Face
Ratings  Ratings  Amount                              Issue                                              Value

Puerto Rico--11.0%
<S>     <S>      <C>     <S>                                                                              <C>
AAA     Aaa      $225    Puerto Rico Commonwealth, GO, 6.50% due 7/01/2004 (g)                            $  246

A1+     VMIG1++   200    Puerto Rico Commonwealth, Highway and Transportation Authority, Transportation
                         Revenue Refunding Bonds, VRDN, Series A, 3.85% due 7/01/2028 (a)(e)                 200

AAA     Aaa       250    Puerto Rico Electric Power Authority, Power Revenue Bonds, Series DD, 5% due
                         7/01/2028 (f)                                                                       231

Total Investments (Cost--$5,762)--98.2%                                                                    6,030
Other Assets Less Liabilities--1.8%                                                                          113
                                                                                                          ------
Net Assets--100.0%                                                                                        $6,143
                                                                                                          ======

(a)The interest rate is subject to change periodically based upon
prevailing market rates. The interest rate shown is the rate in
effect at July 31, 2000.
(b)FNMA Collateralized.
(c)FSA Insured.
(d)GNMA Collateralized.
(e)AMBAC Insured.
(f)MBIA Insured.
(g)Prerefunded.
*Not Rated.
**Represents a zero coupon bond; the interest rate shown reflects
the effective yield at the time of purchase by the Fund.
++Highest short-term rating by Moody's Investors Service, Inc.
Ratings of issues shown have not been audited by Deloitte & Touche
LLP.

See Notes to Financial Statements.
</TABLE>


Merrill Lynch Arkansas Municipal Bond Fund
July 31, 2000


FINANCIAL INFORMATION

<TABLE>
Statement of Assets and Liabilities as of July 31, 2000
<S>                 <S>                                                                    <C>              <C>
Assets:             Investments, at value (identified cost--$5,762,399)                                     $  6,029,816
                    Cash                                                                                          92,720
                    Interest receivable                                                                           73,316
                    Prepaid registration fees and other assets                                                     6,421
                                                                                                            ------------
                    Total assets                                                                               6,202,273
                                                                                                            ------------
Liabilities:        Payables:
                      Dividends to shareholders                                            $      3,648
                      Distributor                                                                 1,649
                      Investment adviser                                                            488            5,785
                                                                                           ------------
                    Accrued expenses and other liabilities                                                        53,839
                                                                                                            ------------
                    Total liabilities                                                                             59,624
                                                                                                            ------------

Net Assets:         Net assets                                                                              $  6,142,649
                                                                                                            ============

Net Assets          Class A Shares of beneficial interest, $.10 par value,
Consist of:         unlimited number of shares authorized                                                   $     17,151
                    Class B Shares of beneficial interest, $.10 par value,
                    unlimited number of shares authorized                                                         29,784
                    Class C Shares of beneficial interest, $.10 par value,
                    unlimited number of shares authorized                                                          8,058
                    Class D Shares of beneficial interest, $.10 par value,
                    unlimited number of shares authorized                                                          5,035
                    Paid-in capital in excess of par                                                           5,823,068
                    Accumulated distributions in excess of realized capital gains on
                    investments--net                                                                             (7,864)
                    Unrealized appreciation on investments--net                                                  267,417
                                                                                                            ------------
                    Net assets                                                                              $  6,142,649
                                                                                                            ============
Net Asset Value:    Class A--Based on net assets of $1,755,413 and 171,511 shares of
                    beneficial interest outstanding                                                         $      10.23
                                                                                                            ============
                    Class B--Based on net assets of $3,047,368 and 297,842 shares of
                    beneficial interest outstanding                                                         $      10.23
                                                                                                            ============
                    Class C--Based on net assets of $824,743 and 80,577 shares of
                    beneficial interest outstanding                                                         $      10.24
                                                                                                            ============
                    Class D--Based on net assets of $515,125 and 50,345 shares of
                    beneficial interest outstanding                                                         $      10.23
                                                                                                            ============


                    See Notes to Financial Statements.
</TABLE>



Merrill Lynch Arkansas Municipal Bond Fund
July 31, 2000


FINANCIAL INFORMATION (continued)

<TABLE>
Statement of Operations
<CAPTION>
                                                                                                       For the Year Ended
                                                                                                           July 31, 2000
<S>                 <S>                                                                    <C>              <C>
Investment Income:  Interest and amortization of premium and discount earned                                $    449,571

Expenses:           Professional fees                                                      $     75,031
                    Printing and shareholder reports                                             42,543
                    Investment advisory fees                                                     41,200
                    Accounting services                                                          29,117
                    Account maintenance and distribution fees--Class B                           18,843
                    Account maintenance and distribution fees--Class C                            5,323
                    Registration fees                                                             4,652
                    Trustees' fees and expenses                                                   3,311
                    Pricing fees                                                                  2,803
                    Transfer agent fees--Class B                                                  2,628
                    Custodian fees                                                                2,574
                    Amortization of organization expenses                                         2,033
                    Transfer agent fees--Class A                                                  1,219
                    Account maintenance fees--Class D                                               699
                    Transfer agent fees--Class C                                                    566
                    Transfer agent fees--Class D                                                    397
                    Other                                                                           534
                                                                                           ------------
                    Total expenses before reimbursement                                         233,473
                    Reimbursement of expenses                                                  (33,709)
                                                                                           ------------
                    Total expenses after reimbursement                                                           199,764
                                                                                                            ------------
                    Investment income--net                                                                       249,807
                                                                                                            ------------

Realized &          Realized gain on investments--net                                                             86,616
Unrealized          Change in unrealized appreciation on investments--net                                      (233,518)
Gain (Loss) on                                                                                              ------------
Investments--Net:   Net Increase in Net Assets Resulting from Operations                                    $    102,905
                                                                                                            ============

See Notes to Financial Statements.
</TABLE>



Merrill Lynch Arkansas Municipal Bond Fund
July 31, 2000


FINANCIAL INFORMATION (continued)

<TABLE>
Statements of Changes in Net Assets
<CAPTION>
                                                                                        For the Year Ended July 31,
Increase (Decrease) in Net Assets:                                                             2000              1999
<S>                 <S>                                                                    <C>              <C>
Operations:         Investment income--net                                                 $    249,807     $    403,718
                    Realized gain on investments--net                                            86,616           46,480
                    Change in unrealized appreciation on investments--net                     (233,518)        (295,486)
                                                                                           ------------     ------------
                    Net increase in net assets resulting from operations                        102,905          154,712
                                                                                           ------------     ------------

Dividends &         Investment income--net:
Distributions to      Class A                                                                  (78,474)        (116,434)
Shareholders:         Class B                                                                 (119,133)        (208,977)
                      Class C                                                                  (27,152)         (38,527)
                      Class D                                                                  (25,048)         (39,780)
                    Realized gain on investments--net:
                      Class A                                                                   (9,978)            (401)
                      Class B                                                                  (17,113)            (871)
                      Class C                                                                   (3,905)            (157)
                      Class D                                                                   (3,167)            (137)
                    In excess of realized gain on investments--net:
                      Class A                                                                   (2,297)          (7,697)
                      Class B                                                                   (3,939)         (16,730)
                      Class C                                                                     (899)          (3,009)
                      Class D                                                                     (729)          (2,632)
                                                                                           ------------     ------------
                    Net decrease in net assets resulting from dividends
                    and distributions to shareholders                                         (291,834)        (435,352)
                                                                                           ------------     ------------

Beneficial          Net decrease in net assets derived from beneficial
Interest            interest transactions                                                   (3,041,477)      (2,495,606)
Transactions:                                                                              ------------     ------------

Net Assets:         Total decrease in net assets                                            (3,230,406)      (2,776,246)
                    Beginning of year                                                         9,373,055       12,149,301
                                                                                           ------------     ------------
                    End of year                                                            $  6,142,649     $  9,373,055
                                                                                           ============     ============

                    See Notes to Financial Statements.
</TABLE>



Merrill Lynch Arkansas Municipal Bond Fund
July 31, 2000


FINANCIAL INFORMATION (continued)

<TABLE>
Financial Highlights
<CAPTION>
The following per share data and ratios have been derived
from information provided in the financial statements.                                   Class A
                                                                               For the Year Ended July 31,
Increase (Decrease) in Net Asset Value:                                2000       1999     1998        1997       1996
<S>                 <S>                                            <C>        <C>        <C>        <C>         <C>
Per Share           Net asset value, beginning of year             $  10.39   $  10.69   $  10.72   $  10.34    $  10.29
Operating                                                          --------   --------   --------   --------    --------
Performance:        Investment income--net                              .37        .43        .47        .52         .55
                    Realized and unrealized gain (loss) on
                    investments--net                                  (.11)      (.27)        .03        .38         .05
                                                                   --------   --------   --------   --------    --------
                    Total from investment operations                    .26        .16        .50        .90         .60
                                                                   --------   --------   --------   --------    --------
                    Less dividends and distributions:
                      Investment income--net                          (.37)      (.43)      (.47)      (.52)       (.55)
                      Realized gain on investments--net               (.04)       --++      (.04)         --          --
                      In excess of realized gain on
                      investments--net                                (.01)      (.03)      (.02)         --          --
                                                                   --------   --------   --------   --------    --------
                    Total dividends and distributions                 (.42)      (.46)      (.53)      (.52)       (.55)
                                                                   --------   --------   --------   --------    --------
                    Net asset value, end of year                   $  10.23   $  10.39   $  10.69   $  10.72    $  10.34
                                                                   ========   ========   ========   ========    ========

Total Investment    Based on net asset value per share                2.68%      1.42%      4.79%      8.94%       5.94%
Return:*                                                           ========   ========   ========   ========    ========

Ratios to Average   Expenses, net of reimbursement                    2.32%      1.63%      1.18%       .83%        .49%
Net Assets:                                                        ========   ========   ========   ========    ========
                    Expenses                                          2.77%      2.08%      1.63%      1.92%       3.17%
                                                                   ========   ========   ========   ========    ========
                    Investment income--net                            3.66%      4.00%      4.38%      4.96%       5.28%
                                                                   ========   ========   ========   ========    ========

Supplemental        Net assets, end of year (in thousands)         $  1,756   $  2,606   $  3,246   $  1,781    $  1,710
Data:                                                              ========   ========   ========   ========    ========
                    Portfolio turnover                               43.29%      9.12%     61.45%     41.07%      28.82%
                                                                   ========   ========   ========   ========    ========


*Total investment returns exclude the effects of sales charges.
++Amount is less than $.01 per share.

See Notes to Financial Statements.
</TABLE>

Merrill Lynch Arkansas Municipal Bond Fund
July 31, 2000


FINANCIAL INFORMATION (continued)

<TABLE>
Financial Highlights (continued)
<CAPTION>
The following per share data and ratios have been derived
from information provided in the financial statements.                                   Class B
                                                                               For the Year Ended July 31,
Increase (Decrease) in Net Asset Value:                                2000       1999     1998        1997       1996
<S>                 <S>                                            <C>        <C>        <C>        <C>         <C>
Per Share           Net asset value, beginning of year             $  10.39   $  10.69   $  10.71   $  10.34    $  10.29
Operating                                                          --------   --------   --------   --------    --------
Performance:        Investment income--net                              .32        .37        .42        .46         .50
                    Realized and unrealized gain (loss) on
                    investments--net                                  (.11)      (.27)        .04        .37         .05
                                                                   --------   --------   --------   --------    --------
                    Total from investment operations                    .21        .10        .46        .83         .55
                                                                   --------   --------   --------   --------    --------
                    Less dividends and distributions:
                      Investment income--net                          (.32)      (.37)      (.42)      (.46)       (.50)
                      Realized gain on investments--net               (.04)       --++      (.04)         --          --
                      In excess of realized gain on
                      investments--net                                (.01)      (.03)      (.02)         --          --
                                                                   --------   --------   --------   --------    --------
                    Total dividends and distributions                 (.37)      (.40)      (.48)      (.46)       (.50)
                                                                   --------   --------   --------   --------    --------
                    Net asset value, end of year                   $  10.23   $  10.39   $  10.69   $  10.71    $  10.34
                                                                   ========   ========   ========   ========    ========

Total Investment    Based on net asset value per share                2.16%       .91%      4.35%      8.29%       5.39%
Return:*                                                           ========   ========   ========   ========    ========

Ratios to Average   Expenses, net of reimbursement                    2.83%      2.13%      1.70%      1.34%       1.00%
Net Assets:                                                        ========   ========   ========   ========    ========
                    Expenses                                          3.28%      2.58%      2.16%      2.44%       3.69%
                                                                   ========   ========   ========   ========    ========
                    Investment income--net                            3.15%      3.50%      3.89%      4.46%       4.77%
                                                                   ========   ========   ========   ========    ========

Supplemental        Net assets, end of year (in thousands)         $  3,047   $  4,815   $  6,539   $  7,527    $  7,573
Data:                                                              ========   ========   ========   ========    ========
                    Portfolio turnover                               43.29%      9.12%     61.45%     41.07%      28.82%
                                                                   ========   ========   ========   ========    ========


*Total investment returns exclude the effects of sales charges.
++Amount is less than $.01 per share.

See Notes to Financial Statements.
</TABLE>


Merrill Lynch Arkansas Municipal Bond Fund
July 31, 2000


FINANCIAL INFORMATION (continued)

<TABLE>
Financial Highlights (continued)
<CAPTION>
The following per share data and ratios have been derived
from information provided in the financial statements.                                   Class C
                                                                               For the Year Ended July 31,
Increase (Decrease) in Net Asset Value:                                2000       1999     1998        1997       1996
<S>                 <S>                                            <C>        <C>        <C>        <C>         <C>
Per Share           Net asset value, beginning of year             $  10.39   $  10.69   $  10.72   $  10.34    $  10.30
Operating                                                          --------   --------   --------   --------    --------
Performance:        Investment income--net                              .31        .36        .41        .46         .49
                    Realized and unrealized gain (loss) on
                    investments--net                                  (.10)      (.27)        .03        .38         .04
                                                                   --------   --------   --------   --------    --------
                    Total from investment operations                    .21        .09        .44        .84         .53
                                                                   --------   --------   --------   --------    --------
                    Less dividends and distributions:
                      Investment income--net                          (.31)      (.36)      (.41)      (.46)       (.49)
                      Realized gain on investments--net               (.04)       --++      (.04)         --          --
                      In excess of realized gain on
                      investments--net                                (.01)      (.03)      (.02)         --          --
                                                                   --------   --------   --------   --------    --------
                    Total dividends and distributions                 (.36)      (.39)      (.47)      (.46)       (.49)
                                                                   --------   --------   --------   --------    --------
                    Net asset value, end of year                   $  10.24   $  10.39   $  10.69   $  10.72    $  10.34
                                                                   ========   ========   ========   ========    ========

Total Investment    Based on net asset value per share                2.16%       .81%      4.16%      8.29%       5.19%
Return:*                                                           ========   ========   ========   ========    ========

Ratios to Average   Expenses, net of reimbursement                    2.94%      2.23%      1.80%      1.44%       1.11%
Net Assets:                                                        ========   ========   ========   ========    ========
                    Expenses                                          3.39%      2.68%      2.25%      2.51%       3.81%
                                                                   ========   ========   ========   ========    ========
                    Investment income--net                            3.05%      3.40%      3.79%      4.36%       4.68%
                                                                   ========   ========   ========   ========    ========

Supplemental        Net assets, end of year (in thousands)         $    825   $    981   $  1,202   $    843    $    681
Data:                                                              ========   ========   ========   ========    ========
                    Portfolio turnover                               43.29%      9.12%     61.45%     41.07%      28.82%
                                                                   ========   ========   ========   ========    ========


*Total investment returns exclude the effects of sales charges.
++Amount is less than $.01 per share.
See Notes to Financial Statements.

Merrill Lynch Arkansas Municipal Bond Fund
July 31, 2000


FINANCIAL INFORMATION (concluded)


</TABLE>
<TABLE>
Financial Highlights (concluded)
<CAPTION>
The following per share data and ratios have been derived
from information provided in the financial statements.                                   Class D
                                                                               For the Year Ended July 31,
Increase (Decrease) in Net Asset Value:                                2000       1999     1998        1997       1996
<S>                 <S>                                            <C>        <C>        <C>        <C>         <C>
Per Share           Net asset value, beginning of year             $  10.39   $  10.69   $  10.71   $  10.34    $  10.29
Operating                                                          --------   --------   --------   --------    --------
Performance:        Investment income--net                              .36        .42        .46        .51         .54
                    Realized and unrealized gain (loss) on
                    investments--net                                  (.11)      (.27)        .04        .37         .05
                                                                   --------   --------   --------   --------    --------
                    Total from investment operations                    .25        .15        .50        .88         .59
                                                                   --------   --------   --------   --------    --------
                    Less dividends and distributions:
                      Investment income--net                          (.36)      (.42)      (.46)      (.51)       (.54)
                      Realized gain on investments--net               (.04)       --++      (.04)         --          --
                      In excess of realized gain on
                      investments--net                                (.01)      (.03)      (.02)         --          --
                                                                   --------   --------   --------   --------    --------
                    Total dividends and distributions                 (.41)      (.45)      (.52)      (.51)       (.54)
                                                                   --------   --------   --------   --------    --------
                    Net asset value, end of year                   $  10.23   $  10.39   $  10.69   $  10.71    $  10.34
                                                                   ========   ========   ========   ========    ========

Total Investment    Based on net asset value per share                2.58%      1.32%      4.79%      8.73%       5.84%
Return:*                                                           ========   ========   ========   ========    ========

Ratios to Average   Expenses, net of reimbursement                    2.41%      1.73%      1.29%       .92%        .60%
Net Assets:                                                        ========   ========   ========   ========    ========
                    Expenses                                          2.86%      2.18%      1.74%      2.03%       3.31%
                                                                   ========   ========   ========   ========    ========
                    Investment income--net                            3.57%      3.90%      4.29%      4.87%       5.18%
                                                                   ========   ========   ========   ========    ========

Supplemental        Net assets, end of year (in thousands)         $    515   $    971   $  1,162   $  1,027    $  1,081
Data:                                                              ========   ========   ========   ========    ========
                    Portfolio turnover                               43.29%      9.12%     61.45%     41.07%      28.82%
                                                                   ========   ========   ========   ========    ========

*Total investment returns exclude the effects of sales charges.
++Amount is less than $.01 per share.
See Notes to Financial Statements.
</TABLE>


Merrill Lynch Arkansas Municipal Bond Fund
July 31, 2000


NOTES TO FINANCIAL STATEMENTS


1. Significant Accounting Policies:
Merrill Lynch Arkansas Municipal Bond Fund (the "Fund") is part of
the Merrill Lynch Multi-State Municipal Series Trust (the "Trust").
The Fund is registered under the Investment Company Act of 1940 as a
non-diversified, open-end management investment company. The Fund's
financial statements are prepared in accordance with accounting
principles generally accepted in the United States of America, which
may require the use of management accruals and estimates. The Fund
offers four classes of shares under the Merrill Lynch Select Pricing
SM System. Shares of Class A and Class D are sold with a front-end
sales charge. Shares of Class B and Class C may be subject to a
contingent deferred sales charge. All classes of shares have
identical voting, dividend, liquidation and other rights and the
same terms and conditions, except that Class B, Class C and Class D
Shares bear certain expenses related to the account maintenance of
such shares, and Class B and Class C Shares also bear certain
expenses related to the distribution of such shares. Each class has
exclusive voting rights with respect to matters relating to its
account maintenance and distribution expenditures. The following is
a summary of significant accounting policies followed by the Fund.

(a) Valuation of investments--Municipal bonds and other portfolio
securities are traded primarily in the over-the-counter municipal
bond and money markets and are valued at the last available bid
price in the over-the-counter market or on the basis of yield
equivalents as obtained from one or more dealers that make markets
in the securities. Financial futures contracts and options thereon,
which are traded on exchanges, are valued at their settlement prices
as of the close of such exchanges. Short-term investments with a
remaining maturity of sixty days or less are valued on an amortized
cost basis, which approximates market value. Securities and assets
for which market quotations are not readily available are valued at
fair value as determined in good faith by or under the direction of
the Board of Trustees of the Trust, including valuations furnished
by a pricing service retained by the Trust, which may utilize a
matrix system for valuations. The procedures of the pricing service
and its valuations are reviewed by the officers of the Trust under
the general supervision of the Trustees.

(b) Derivative financial instruments--The Fund may engage in various
portfolio investment strategies to increase or decrease the level of
risk to which the Fund is exposed more quickly and efficiently than
transactions in other types of instruments. Losses may arise due to
changes in the value of the contract or if the counterparty does not
perform under the contract.

* Financial futures contracts--The Fund may purchase or sell
financial rate futures contracts and options on such futures
contracts for the purpose of hedging the market risk on existing
portfolio holdings or the intended purchase of securities. Futures
contracts are contracts for delayed delivery of securities at a
specific future date and at a specific price or yield. Upon entering
into a contract, the Fund deposits and maintains as collateral such
initial margin as required by the exchange on which the transaction
is effected. Pursuant to the contract, the Fund agrees to receive
from or pay to the broker an amount of cash equal to the daily
fluctuation in value of the contract. Such receipts or payments are
known as variation margin and are recorded by the Fund as unrealized
gains or losses. When the contract is closed, the Fund records a
realized gain or loss equal to the difference between the value of
the contract at the time it was opened and the value at the time it
was closed.

(c) Income taxes--It is the Fund's policy to comply with the
requirements of the Internal Revenue Code applicable to regulated
investment companies and to distribute substantially all of its
taxable income to its shareholders. Therefore, no Federal income tax
provision is required.

(d) Security transactions and investment income--Security
transactions are recorded on the dates the transactions are entered
into (the trade dates). Interest income is recognized on the accrual
basis. Discounts and market premiums are amortized into interest
income. Realized gains and losses on security transactions are
determined on the identified cost basis.

(e) Deferred organization expenses and prepaid registration fees--
Deferred organization expenses are charged to expense on a straight-
line basis over a period not exceeding five years. Prepaid
registration fees are charged to expense as the related shares are
issued.

(f) Dividends and distributions--Dividends from net investment
income are declared daily and paid monthly. Distributions of capital
gains are recorded on the ex-dividend dates. Distributions in excess
of realized capital gains are due primarily to differing tax
treatments for futures transactions and post-October losses.


2. Investment Advisory Agreement and Transactions
with Affiliates:
The Fund has entered into an Investment Advisory Agreement with Fund
Asset Management, L.P. ("FAM"). The general partner of FAM is
Princeton Services, Inc. ("PSI"), an indirect wholly-owned
subsidiary of Merrill Lynch & Co., Inc. ("ML & Co."), which is the
limited partner. The Fund has also entered into a Distribution
Agreement and Distribution Plans with FAM Distributors, Inc. ("FAMD"
or the "Distributor"), which is a wholly-owned subsidiary of Merrill
Lynch Group, Inc.


Merrill Lynch Arkansas Municipal Bond Fund
July 31, 2000


NOTES TO FINANCIAL STATEMENTS (concluded)


FAM is responsible for the management of the Fund's portfolio and
provides the necessary personnel, facilities, equipment and certain
other services necessary to the operations of the Fund. For such
services, the Fund pays a monthly fee based upon the average daily
value of the Fund's net assets at the following annual rates: .55%
of the Fund's average daily net assets not exceeding $500 million;
 .525% of average daily net assets in excess of $500 million but not
exceeding $1 billion; and .50% of average daily net assets in excess
of $1 billion. For the year ended July 31, 2000, FAM earned fees of
$41,200, of which $33,709 was voluntarily waived.

Pursuant to the Distribution Plans adopted by the Fund in accordance
with Rule 12b-1 under the Investment Company Act of 1940, the Fund
pays the Distributor ongoing account maintenance and distribution
fees. The fees are accrued daily and paid monthly at annual rates
based upon the average daily net assets of the shares as follows:

                                 Account        Distribution
                             Maintenance Fee         Fee

Class B                            .25%             .25%
Class C                            .25%             .35%
Class D                            .10%              --

Pursuant to a sub-agreement with the Distributor, Merrill Lynch,
Pierce, Fenner & Smith Incorporated ("MLPF&S"), a subsidiary of ML &
Co., also provides account maintenance and distribution services to
the Fund. The ongoing account maintenance fee compensates the
Distributor and MLPF&S for providing account maintenance services to
Class B, Class C and Class D shareholders. The ongoing distribution
fee compensates the Distributor and MLPF&S for providing shareholder
and distribution-related services to Class B and Class C
shareholders.

For the year ended July 31, 2000, FAMD earned underwriting discounts
and MLPF&S earned dealer concessions on sales of the Fund's Class A
and Class D Shares as follows:

                                FAMD   MLPF&S

Class A                          $3     $ 36
Class D                          $9     $135

For the year ended July 31, 2000, MLPF&S received contingent
deferred sales charges of $5,492 relating to transactions in Class B
Shares.

Financial Data Services, Inc. ("FDS"), a wholly-owned subsidiary of
ML & Co., is the Fund's transfer agent.

Accounting services are provided to the Fund by FAM at cost.

Certain officers and/or trustees of the Fund are officers and/or
directors of FAM, PSI, FDS, FAMD and/or ML & Co.


3. Investments:
Purchases and sales of investments, excluding short-term securities,
for the year ended July 31, 2000 were $3,036,534 and $5,735,480,
respectively.

Net realized gains (losses) for the year ended July 31, 2000 and net
unrealized gains as of July 31, 2000 were as follows:

                                     Realized
                                      Gains      Unrealized
                                     (Losses)       Gains

Long-term investments              $   96,121     $  267,417
Financial futures contracts           (9,505)             --
                                   ----------     ----------
Total                              $   86,616     $  267,417
                                   ==========     ==========

As of July 31, 2000, net unrealized appreciation for Federal income
tax purposes aggregated $267,417, of which $268,564 related to
appreciated securities and $1,147 related to depreciated securities.
The aggregate cost of investments at July 31, 2000 for Federal
income tax purposes was $5,762,399.


4. Beneficial Interest Transactions:
Net decrease in net assets derived from beneficial interest
transactions was $3,041,477 and $2,495,606 for the years ended July
31, 2000 and July 31, 1999, respectively.

Transactions in shares of beneficial interest for each class were as
follows:


Class A Shares for the Year                         Dollar
Ended July 31, 2000                   Shares        Amount

Shares sold                             6,929    $    69,999
Shares issued to shareholders
in reinvestment of dividends
and distributions                       6,108         61,464
                                   ----------     ----------
Total issued                           13,037        131,463
Shares redeemed                      (92,383)      (927,010)
                                   ----------     ----------
Net decrease                         (79,346)   $  (795,547)
                                   ==========     ==========


Class A Shares for the Year                         Dollar
Ended July 31, 1999                   Shares        Amount

Shares sold                            58,547    $   628,883
Shares issued to shareholders
in reinvestment of dividends
and distributions                       7,659         81,888
                                   ----------     ----------
Total issued                           66,206        710,771
Shares redeemed                     (118,930)    (1,273,756)
                                   ----------     ----------
Net decrease                         (52,724)   $  (562,985)
                                   ==========     ==========


Merrill Lynch Arkansas Municipal Bond Fund
July 31, 2000

Class B Shares for the Year                         Dollar
Ended July 31, 2000                   Shares        Amount

Shares sold                             5,038    $    50,648
Shares issued to shareholders
in reinvestment of dividends
and distributions                       5,830         58,669
                                   ----------     ----------
Total issued                           10,868        109,317
Automatic conversion of shares        (5,142)       (52,655)
Shares redeemed                     (171,553)    (1,729,563)
                                   ----------     ----------
Net decrease                        (165,827)   $(1,672,901)
                                   ==========     ==========


Class B Shares for the Year                         Dollar
Ended July 31, 1999                   Shares        Amount

Shares sold                            30,609    $   327,336
Shares issued to shareholders
in reinvestment of dividends
and distributions                       7,428         79,411
                                   ----------     ----------
Total issued                           38,037        406,747
Shares redeemed                     (186,045)    (1,981,549)
                                   ----------     ----------
Net decrease                        (148,008)   $(1,574,802)
                                   ==========     ==========


Class C Shares for the Year                         Dollar
Ended July 31, 2000                   Shares        Amount

Shares issued to shareholders
in reinvestment of dividends
and distributions                       2,803     $   28,218
Shares redeemed                      (16,623)      (168,143)
                                   ----------     ----------
Net decrease                         (13,820)   $  (139,925)
                                   ==========     ==========


Class C Shares for the Year                         Dollar
Ended July 31, 1999                   Shares        Amount

Shares sold                            14,301    $   153,149
Shares issued to shareholders
in reinvestment of dividends
and distributions                       3,344         35,776
                                   ----------     ----------
Total issued                           17,645        188,925
Shares redeemed                      (35,638)      (382,248)
                                   ----------     ----------
Net decrease                         (17,993)   $  (193,323)
                                   ==========     ==========


Class D Shares for the Year                         Dollar
Ended July 31, 2000                   Shares        Amount

Shares sold                               342    $     3,456
Automatic conversion of shares          5,142         52,655
Shares issued to shareholders
in reinvestment of dividends
and distributions                       1,315         13,270
                                   ----------     ----------
Total issued                            6,799         69,381
Shares redeemed                      (49,936)      (502,485)
                                   ----------     ----------
Net decrease                         (43,137)   $  (433,104)
                                   ==========     ==========


Class D Shares for the Year                         Dollar
Ended July 31, 1999                   Shares        Amount

Shares sold                            12,204    $   130,625
Shares issued to shareholders
in reinvestment of dividends
and distributions                       2,377         25,384
                                   ----------     ----------
Total issued                           14,581        156,009
Shares redeemed                      (29,804)      (320,505)
                                   ----------     ----------
Net decrease                         (15,223)   $  (164,496)
                                   ==========     ==========


5. Short-Term Borrowings:
On December 3, 1999, the Fund, along with certain other funds
managed by FAM and its affiliates, entered into a one-year,
unsecured $1,000,000,000 credit agreement with The Bank of New York
and other lenders. The funds may borrow money for temporary or
emergency purposes to meet shareholder redemptions. Each fund may
borrow up to the maximum amount allowable under the fund's current
prospectus and statement of additional information, subject to
various other legal, regulatory or contractual limits. The funds
collectively pay a commitment fee of .09% per annum on the available
portion of the facility. Amounts borrowed under the facility bear
interest at the Federal Funds rate plus .50%. The Fund did not
borrow from the facility during the year ended July 31, 2000.



Merrill Lynch Arkansas Municipal Bond Fund
July 31, 2000


<AUDIT-REPORT>
INDEPENDENT AUDITORS' REPORT

The Board of Trustees and Shareholders,
Merrill Lynch Arkansas Municipal Bond Fund of
Merrill Lynch Multi-State Municipal Series Trust:

We have audited the accompanying statement of assets and
liabilities, including the schedule of investments, of Merrill Lynch
Arkansas Municipal Bond Fund of Merrill Lynch Multi-State Municipal
Series Trust as of July 31, 2000, the related statements of
operations for the year then ended and changes in net assets for
each of the years in the two-year period then ended, and the
financial highlights for each of the years in the five-year period
then ended. These financial statements and the financial highlights
are the responsibility of the Fund's management. Our responsibility
is to express an opinion on these financial statements and the
financial highlights based on our audits.

We conducted our audits in accordance with auditing standards
generally accepted in the United States of America. Those standards
require that we plan and perform the audit to obtain reasonable
assurance about whether the financial statements and the financial
highlights are free of material misstatement. An audit includes
examining, on a test basis, evidence supporting the amounts and
disclosures in the financial statements. Our procedures included
confirmation of securities owned at July 31, 2000 by correspondence
with the custodian. An audit also includes assessing the accounting
principles used and significant estimates made by management, as
well as evaluating the overall financial statement presentation. We
believe that our audits provide a reasonable basis for our opinion.
In our opinion, such financial statements and financial highlights
present fairly, in all material respects, the financial position of
Merrill Lynch Arkansas Municipal Bond Fund of Merrill Lynch Multi-
State Municipal Series Trust as of July 31, 2000, the results of its
operations, the changes in its net assets, and the financial
highlights for the respective stated periods in conformity with
accounting principles generally accepted in the United States of
America.


Deloitte & Touche LLP
Princeton, New Jersey
September 8, 2000


IMPORTANT TAX INFORMATION (unaudited)


All of the net investment income distributions paid monthly by
Merrill Lynch Arkansas Municipal Bond Fund during its taxable year
ended July 31, 2000 qualify as tax-exempt interest dividends for
Federal income tax purposes.

Additionally, the following table summarizes the taxable
distributions paid by the Fund during the year:

Record       Payable      Ordinary    Long-Term
  Date         Date        Income   Capital Gains*

12/20/99     12/31/99     $.044867     $.009637

*The entire distribution is subject to a maximum 20% tax rate.

Please retain this information for your records.




Merrill Lynch Arkansas Municipal Bond Fund
July 31, 2000


OFFICERS AND TRUSTEES


Terry K. Glenn, President and Trustee
James H. Bodurtha, Trustee
Herbert I. London, Trustee
Joseph L. May, Trustee
Andre F. Perold, Trustee
Arthur Zeikel, Trustee
Vincent R. Giordano, Senior Vice President
Kenneth A. Jacob, Vice President
Michael A. Kalinoski, Vice President
Donald C. Burke, Vice President and Treasurer
Alice A. Pellegrino, Secretary


Custodian
State Street Bank and Trust Company
P.O. Box 351
Boston, MA 02101


Transfer Agent
Financial Data Services, Inc.
4800 Deer Lake Drive East
Jacksonville, FL 32246-6484
(800) 637-3863



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