<PAGE> PAGE 1
000 B000000 01/31/99
000 C000000 945433
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0.a
000 J000000 A
001 A000000 HIGH YIELD MUNICIPALS PORTFOLIO
001 B000000 811-7289
001 C000000 6174828260
002 A000000 24 FEDERAL STREET
002 B000000 BOSTON
002 C000000 MA
002 D010000 02110
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
007 C010100 1
007 C010200 2
007 C010300 3
007 C010400 4
007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
008 A000001 BOSTON MANAGEMENT & RESEARCH
008 B000001 A
008 C000001 801-15930
008 D010001 BOSTON
008 D020001 MA
008 D030001 02110
013 A000001 DELOITTE & TOUCHE LLP
013 B010001 BOSTON
013 B020001 MA
013 B030001 02110
014 A000001 EATON VANCE DISTRIBUTORS, INC.
014 B000001 8-24081
015 A000001 INVESTORS BANK & TRUST COMPANY
015 B000001 C
015 C010001 BOSTON
015 C020001 MA
015 C030001 02116
015 E010001 X
018 000000 Y
<PAGE> PAGE 2
019 A000000 Y
019 B000000 155
019 C000000 EATONVANCE
020 A000001 JP MORGAN
020 C000001 10
020 C000002 0
020 C000003 0
020 C000004 0
020 C000005 0
020 C000006 0
020 C000007 0
020 C000008 0
020 C000009 0
020 C000010 0
021 000000 10
022 A000001 MORGAN STANLEY
022 C000001 35908
022 D000001 4863
022 A000002 PAINE WEBBER
022 C000002 4930
022 D000002 21310
022 A000003 MERRILL LYNCH
022 C000003 16070
022 D000003 7151
022 A000004 PIPER JAFFRAY
022 C000004 4825
022 D000004 9903
022 A000005 INTERNAL SWAP
022 C000005 13957
022 D000005 0
022 A000006 LEHMAN BROTHERS
022 C000006 8434
022 D000006 5410
022 A000007 SHATTUCK HAMMOND PARTNERS
022 C000007 12409
022 D000007 0
022 A000008 SMITH BARNEY
022 C000008 4040
022 D000008 4981
022 A000009 DLJ
022 C000009 8946
022 D000009 0
022 A000010 ZIEGLER, B.C.
022 C000010 8000
022 D000010 0
023 C000000 179092
023 D000000 85592
024 000000 N
025 D000001 0
025 D000002 0
025 D000003 0
<PAGE> PAGE 3
025 D000004 0
025 D000005 0
025 D000006 0
025 D000007 0
025 D000008 0
026 A000000 N
026 B000000 N
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027 000000 Y
028 A010000 0
028 A020000 0
028 A030000 0
028 A040000 0
028 B010000 0
028 B020000 0
028 B030000 0
028 B040000 0
028 C010000 0
028 C020000 0
028 C030000 0
028 C040000 0
028 D010000 0
028 D020000 0
028 D030000 0
028 D040000 0
028 E010000 0
028 E020000 0
028 E030000 0
028 E040000 0
028 F010000 0
028 F020000 0
028 F030000 0
028 F040000 0
028 G010000 0
028 G020000 0
028 G030000 0
028 G040000 0
028 H000000 0
029 000000 N
030 A000000 0
030 B000000 0.00
030 C000000 0.00
031 A000000 0
031 B000000 0
032 000000 0
<PAGE> PAGE 4
033 000000 0
034 000000 N
035 000000 0
036 B000000 0
037 000000 N
038 000000 0
039 000000 N
040 000000 N
042 A000000 0
042 B000000 0
042 C000000 0
042 D000000 0
042 E000000 0
042 F000000 0
042 G000000 0
042 H000000 0
043 000000 0
044 000000 0
045 000000 Y
046 000000 N
047 000000 N
048 000000 0.000
048 A010000 0
048 A020000 0.000
048 B010000 0
048 B020000 0.000
048 C010000 0
048 C020000 0.000
048 D010000 0
048 D020000 0.000
048 E010000 0
048 E020000 0.000
048 F010000 0
048 F020000 0.000
048 G010000 0
048 G020000 0.000
048 H010000 0
048 H020000 0.000
048 I010000 0
048 I020000 0.000
048 J010000 0
048 J020000 0.000
048 K010000 0
048 K020000 0.000
049 000000 N
050 000000 Y
051 000000 N
052 000000 N
053 A000000 Y
053 B000000 N
053 C000000 N
<PAGE> PAGE 5
054 A000000 Y
054 B000000 Y
054 C000000 N
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 Y
054 H000000 Y
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 N
054 M000000 Y
054 N000000 N
054 O000000 N
055 A000000 N
055 B000000 Y
056 000000 Y
057 000000 N
058 A000000 N
059 000000 Y
060 A000000 N
060 B000000 N
061 000000 0
062 A000000 Y
062 B000000 0.0
062 C000000 0.0
062 D000000 0.0
062 E000000 0.0
062 F000000 0.0
062 G000000 0.0
062 H000000 0.0
062 I000000 0.0
062 J000000 0.0
062 K000000 0.0
062 L000000 0.0
062 M000000 0.0
062 N000000 0.0
062 O000000 100.0
062 P000000 0.0
062 Q000000 0.0
062 R000000 0.0
063 A000000 0
063 B000000 0.0
064 A000000 Y
064 B000000 N
066 A000000 N
067 000000 N
068 A000000 N
068 B000000 N
069 000000 N
<PAGE> PAGE 6
070 A010000 Y
070 A020000 N
070 B010000 Y
070 B020000 N
070 C010000 Y
070 C020000 N
070 D010000 Y
070 D020000 N
070 E010000 Y
070 E020000 N
070 F010000 Y
070 F020000 N
070 G010000 Y
070 G020000 N
070 H010000 Y
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 Y
070 J020000 Y
070 K010000 Y
070 K020000 N
070 L010000 Y
070 L020000 N
070 M010000 Y
070 M020000 N
070 N010000 Y
070 N020000 N
070 O010000 Y
070 O020000 N
070 P010000 Y
070 P020000 N
070 Q010000 N
070 Q020000 N
070 R010000 Y
070 R020000 N
071 A000000 179092
071 B000000 84947
071 C000000 349063
071 D000000 26
072 A000000 12
072 B000000 23010
072 C000000 0
072 D000000 0
072 E000000 0
072 F000000 2049
072 G000000 0
072 H000000 0
072 I000000 167
072 J000000 0
072 K000000 0
<PAGE> PAGE 7
072 L000000 0
072 M000000 26
072 N000000 0
072 O000000 0
072 P000000 0
072 Q000000 0
072 R000000 31
072 S000000 2
072 T000000 0
072 U000000 1
072 V000000 0
072 W000000 85
072 X000000 2361
072 Y000000 48
072 Z000000 20697
072AA000000 2028
072BB000000 0
072CC010000 0
072CC020000 7608
072DD010000 0
072DD020000 0
072EE000000 0
073 A010000 0.0000
073 A020000 0.0000
073 B000000 0.0000
073 C000000 0.0000
074 A000000 3051
074 B000000 0
074 C000000 0
074 D000000 389511
074 E000000 0
074 F000000 0
074 G000000 0
074 H000000 0
074 I000000 0
074 J000000 317
074 K000000 0
074 L000000 6587
074 M000000 6
074 N000000 399472
074 O000000 8539
074 P000000 0
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 24
074 S000000 0
074 T000000 390909
074 U010000 0
074 U020000 0
<PAGE> PAGE 8
074 V010000 0.00
074 V020000 0.00
074 W000000 0.0000
074 X000000 0
074 Y000000 0
075 A000000 0
075 B000000 352039
076 000000 0.00
077 A000000 Y
077 B000000 Y
080 A000000 FEDERAL INSURANCE CO.
080 C000000 45000
081 A000000 Y
081 B000000 243
082 A000000 Y
082 B000000 100
083 A000000 N
083 B000000 0
084 A000000 N
084 B000000 0
085 A000000 Y
085 B000000 N
086 A010000 0
086 A020000 0
086 B010000 0
086 B020000 0
086 C010000 0
086 C020000 0
086 D010000 0
086 D020000 0
086 E010000 0
086 E020000 0
086 F010000 0
086 F020000 0
SIGNATURE BARBARA CAMPBELL
TITLE ASSISTANT TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 152
<NAME> HIGH YIELD MUNICIPALS PORTFOLIO
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JAN-31-1999
<PERIOD-END> JAN-31-1999
<INVESTMENTS-AT-COST> 369583
<INVESTMENTS-AT-VALUE> 389511
<RECEIVABLES> 6904
<ASSETS-OTHER> 3051
<OTHER-ITEMS-ASSETS> 6
<TOTAL-ASSETS> 399472
<PAYABLE-FOR-SECURITIES> 8539
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 24
<TOTAL-LIABILITIES> 8563
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 370981
<SHARES-COMMON-STOCK> 0
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 19928
<NET-ASSETS> 390909
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 23010
<OTHER-INCOME> 0
<EXPENSES-NET> 2313
<NET-INVESTMENT-INCOME> 20697
<REALIZED-GAINS-CURRENT> 2028
<APPREC-INCREASE-CURRENT> (7608)
<NET-CHANGE-FROM-OPS> 15117
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 87700
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2049
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2361
<AVERAGE-NET-ASSETS> 352039
<PER-SHARE-NAV-BEGIN> 0
<PER-SHARE-NII> 0
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 0
<EXPENSE-RATIO> 0.66
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
