<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains Summary financial Information extracted from the Form
N-SAR and the financial statements and is qualified in its entirety by
references to such documents.
</LEGEND>
<SERIES>
<NUMBER> 063
<NAME> NUVEEN FLAGSHIP TENNESSEE MUNICIPAL BOND FUND - CLASS C
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> MAY-31-2000
<PERIOD-START> JUN-01-1999
<PERIOD-END> MAY-31-2000
<INVESTMENTS-AT-COST> 286909
<INVESTMENTS-AT-VALUE> 277848
<RECEIVABLES> 5121
<ASSETS-OTHER> 2551
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 285520
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 972
<TOTAL-LIABILITIES> 972
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 296801
<SHARES-COMMON-STOCK> 2256
<SHARES-COMMON-PRIOR> 2491
<ACCUMULATED-NII-CURRENT> (161)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (3032)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (9060)
<NET-ASSETS> 284548
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 18214
<OTHER-INCOME> 0
<EXPENSES-NET> 3162
<NET-INVESTMENT-INCOME> 15052
<REALIZED-GAINS-CURRENT> (803)
<APPREC-INCREASE-CURRENT> (26426)
<NET-CHANGE-FROM-OPS> (12177)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 1191
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 327
<NUMBER-OF-SHARES-REDEEMED> 601
<SHARES-REINVESTED> 39
<NET-CHANGE-IN-ASSETS> (42459)
<ACCUMULATED-NII-PRIOR> 25
<ACCUMULATED-GAINS-PRIOR> (2229)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1620
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3218
<AVERAGE-NET-ASSETS> 26025
<PER-SHARE-NAV-BEGIN> 11.30
<PER-SHARE-NII> .48
<PER-SHARE-GAIN-APPREC> (.95)
<PER-SHARE-DIVIDEND> (.49)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.34
<EXPENSE-RATIO> 1.52
</TABLE>
