000 B000000 08/31/2008
000 C000000 0000891190
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 VANGUARD ADMIRAL FUNDS
001 B000000 811-7043
001 C000000 6106691000
002 A000000 100 VANGUARD BOULEVARD
002 B000000 MALVERN
002 C000000 PA
002 D010000 19355
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
007 B000000 1
007 C010100 1
007 C020100 VANGUARD ADMIRAL TREASURY MONEY MARKET FUND
007 C030100 N
008 A00AA01 THE VANGUARD GROUP, INC.
008 B00AA01 A
008 C00AA01 801-11953
008 D01AA01 MALVERN
008 D02AA01 PA
008 D03AA01 19355
010 A00AA01 THE VANGUARD GROUP, INC.
010 B00AA01 801-11953
010 C01AA01 MALVERN
010 C02AA01 PA
010 C03AA01 19355
011 A00AA01 VANGUARD MARKETING CORP.
011 B00AA01 8-21570
011 C01AA01 MALVERN
011 C02AA01 PA
011 C03AA01 19355
012 A00AA01 THE VANGUARD GROUP, INC.
012 B00AA01 84-772
012 C01AA01 MALVERN
012 C02AA01 PA
012 C03AA01 19355
013 A00AA01 PRICEWATERHOUSECOOPERS LLP
013 B01AA01 PHILADELPHIA
013 B02AA01 PA
013 B03AA01 19103
014 A00AA01 VANGUARD MARKETING CORP.

014 B00AA01 8-21570
015 A000101 BANK OF NEW YORK
015 B000101 C
015 C010101 NEW YORK
015 C020101 NY
015 C030101 10286
015 E010101 X
018 00AA00 Y
019 A00AA00 Y
019 B00AA00 156
019 C00AA00 VANGUARDGR
021 000000 0
022 A000001 J.P.MORGAN SECURITIES INC.
022 B000001 13-3224016
022 C000001 55586201
022 D000001 2714452
022 A000002 MERRILL LYNCH, PIERCE, FENNER & SMITH INC.
022 B000002 13-5674085
022 C000002 2812490
022 D000002 1897614
022 A000003 UBS SECURITIES LLC
022 B000003 13-3873456
022 C000003 3790487
022 D000003 394548
022 A000004 DEUTSCHE BANK SECURITIES INC.
022 B000004 13-2730828
022 C000004 3472179
022 D000004 392909
022 A000005 LEHMAN BROTHERS INC.
022 B000005 13-2518466
022 C000005 1821011
022 D000005 495803
022 A000006 HSBC SECURITIES (USA) INC.
022 B000006 13-2650272
022 C000006 1388623
022 D000006 417742
022 A000007 GREENWICH CAPITAL MARKETS, INC.
022 B000007 13-3172275
022 C000007 1363272
022 D000007 386182
022 A000008 BANC OF AMERICA SECURITIES LLC
022 B000008 56-2058405
022 C000008 760709
022 D000008 567686
022 A000009 GOLDMAN, SACHS & CO.
022 B000009 13-5108880
022 C000009 567076
022 D000009 416890
022 A000010 MIZUHO SECURITIES USA INC.
022 B000010 36-2880742
022 C000010 687925

022 D000010 90104
023 C000000 72797317
023 D000000 8386880
024 00AA00 N
026 A000000 N
026 B000000 Y
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 A010100 2065798
028 A020100 48537
028 A030100 0
028 A040100 1487932
028 B010100 1293125
028 B020100 40437
028 B030100 0
028 B040100 2001715
028 C010100 1121321
028 C020100 35452
028 C030100 0
028 C040100 1405204
028 D010100 1156080
028 D020100 31266
028 D030100 0
028 D040100 1615685
028 E010100 2783852
028 E020100 32170
028 E030100 0
028 E040100 1287810
028 F010100 1267261
028 F020100 33642
028 F030100 0
028 F040100 1091066
028 G010100 9687437
028 G020100 221504
028 G030100 0
028 G040100 8889412
028 H000100 0
029 00AA00 N
030 A00AA00 0
030 B00AA00 0.00
030 C00AA00 0.00
031 A00AA00 0
031 B00AA00 0
032 00AA00 0
033 00AA00 0

034 00AA00 N
035 00AA00 0
036 B00AA00 0
037 00AA00 N
038 00AA00 0
039 00AA00 N
040 00AA00 N
042 A00AA00 0
042 B00AA00 0
042 C00AA00 0
042 D00AA00 0
042 E00AA00 0
042 F00AA00 0
042 G00AA00 0
042 H00AA00 0
043 00AA00 0
044 00AA00 0
045 00AA00 N
048 00AA00 0.000
048 A01AA00 0
048 A02AA00 0.000
048 B01AA00 0
048 B02AA00 0.000
048 C01AA00 0
048 C02AA00 0.000
048 D01AA00 0
048 D02AA00 0.000
048 E01AA00 0
048 E02AA00 0.000
048 F01AA00 0
048 F02AA00 0.000
048 G01AA00 0
048 G02AA00 0.000
048 H01AA00 0
048 H02AA00 0.000
048 I01AA00 0
048 I02AA00 0.000
048 J01AA00 0
048 J02AA00 0.000
048 K01AA00 0
048 K02AA00 0.000
055 A000100 N
055 B000100 N
056 000100 Y
057 000100 N
058 A00AA00 N
059 00AA00 Y
060 A00AA00 Y
060 B00AA00 Y
061 00AA00 50000
062 A000100 Y

062 B000100 99.9
062 C000100 0.0
062 D000100 0.0
062 E000100 0.0
062 F000100 0.0
062 G000100 0.0
062 H000100 0.0
062 I000100 0.0
062 J000100 0.0
062 K000100 0.0
062 L000100 0.0
062 M000100 0.0
062 N000100 0.0
062 O000100 0.0
062 P000100 0.0
062 Q000100 0.0
062 R000100 0.0
063 A000100 78
063 B000100 0.0
064 A000100 N
064 B000100 N
066 A00AA00 N
067 00AA00 N
068 A00AA00 N
068 B00AA00 N
069 00AA00 N
070 A010100 Y
070 A020100 N
070 B010100 N
070 B020100 N
070 C010100 N
070 C020100 N
070 D010100 N
070 D020100 N
070 E010100 N
070 E020100 N
070 F010100 N
070 F020100 N
070 G010100 N
070 G020100 N
070 H010100 N
070 H020100 N
070 I010100 N
070 I020100 N
070 J010100 Y
070 J020100 N
070 K010100 Y
070 K020100 N
070 L010100 N
070 L020100 N
070 M010100 N

070 M020100 N
070 N010100 Y
070 N020100 N
070 O010100 Y
070 O020100 N
070 P010100 Y
070 P020100 N
070 Q010100 N
070 Q020100 N
070 R010100 N
070 R020100 N
071 A000100 0
071 B000100 0
071 C000100 0
071 D000100 0
072 A000100 12
072 B000100 655152
072 C000100 0
072 D000100 0
072 E000100 0
072 F000100 1924
072 G000100 9182
072 H000100 0
072 I000100 3917
072 J000100 249
072 K000100 0
072 L000100 67
072 M000100 24
072 N000100 0
072 O000100 0
072 P000100 0
072 Q000100 0
072 R000100 19
072 S000100 0
072 T000100 5381
072 U000100 0
072 V000100 0
072 W000100 0
072 X000100 20763
072 Y000100 0
072 Z000100 634389
072AA000100 918
072BB000100 1060
072CC010100 0
072CC020100 0
072DD010100 634389
072DD020100 0
072EE000100 0
073 A010100 0.0300
073 A020100 0.0000
073 B000100 0.0000

073 C000100 0.0000
074 A000100 0
074 B000100 0
074 C000100 23273675
074 D000100 0
074 E000100 0
074 F000100 0
074 G000100 0
074 H000100 0
074 I000100 1985
074 J000100 0
074 K000100 0
074 L000100 56768
074 M000100 0
074 N000100 23332428
074 O000100 0
074 P000100 5018
074 Q000100 0
074 R010100 0
074 R020100 0
074 R030100 0
074 R040100 38430
074 S000100 0
074 T000100 23288980
074 U010100 23288231
074 U020100 0
074 V010100 1.00
074 V020100 0.00
074 W000100 1.0005
074 X000100 138938
074 Y000100 0
075 A000100 21307863
075 B000100 0
076 000100 0.00
077 A000000 Y
077 B000000 Y
077 C000000 N
077 D000000 N
077 E000000 N
077 F000000 N
077 G000000 N
077 H000000 N
077 I000000 N
077 J000000 N
077 K000000 N
077 L000000 N
077 M000000 N
077 N000000 N
077 O000000 N
077 P000000 N
077 Q010000 N

077 Q020000 N
077 Q030000 N
078 000000 N
080 A00AA00 ICI Mutual Insurance Company
080 B00AA00 N/A
080 C00AA00 400000
081 A00AA00 Y
081 B00AA00 206
082 A00AA00 N
082 B00AA00 0
083 A00AA00 N
083 B00AA00 0
084 A00AA00 N
084 B00AA00 0
085 A00AA00 Y
085 B00AA00 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 NANCY MCCOY
TITLE MANAGER

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