The Collaborative International Dictionary of English v.0.48:

Hamburg \Ham"burg\ (-b[^u]rg), n.
   A commercial city of Germany, near the mouth of the Elbe.
   [1913 Webster]

   Black Hamburg grape. See under Black.

   Hamburg edging, a kind of embroidered work done by
      machinery on cambric or muslin; -- used for trimming.

   Hamburg lake, a purplish crimson pigment resembling
      cochineal.
      [1913 Webster]

WordNet (r) 3.0 (2006):

Hamburg
    n 1: a port city in northern Germany on the Elbe River that was
         founded by Charlemagne in the 9th century and is today the
         largest port in Germany; in 1241 it formed an alliance with
         Lubeck that became the basis for the Hanseatic League

U.S. Gazetteer Places (2000):

Hamburg, AR -- U.S. city in Arkansas
   Population (2000):    3039
   Housing Units (2000): 1264
   Land area (2000):     3.413186 sq. miles (8.840112 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    3.413186 sq. miles (8.840112 sq. km)
   FIPS code:            29500
   Located within:       Arkansas (AR), FIPS 05
   Location:             33.227369 N, 91.798472 W
   ZIP Codes (1990):     71646
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Hamburg, AR
    Hamburg


U.S. Gazetteer Places (2000):

Hamburg, NJ -- U.S. borough in New Jersey
   Population (2000):    3105
   Housing Units (2000): 1233
   Land area (2000):     1.155732 sq. miles (2.993331 sq. km)
   Water area (2000):    0.006258 sq. miles (0.016209 sq. km)
   Total area (2000):    1.161990 sq. miles (3.009540 sq. km)
   FIPS code:            29220
   Located within:       New Jersey (NJ), FIPS 34
   Location:             41.151486 N, 74.574018 W
   ZIP Codes (1990):     07419
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Hamburg, NJ
    Hamburg


U.S. Gazetteer Places (2000):

Hamburg, NY -- U.S. village in New York
   Population (2000):    10116
   Housing Units (2000): 4144
   Land area (2000):     2.513158 sq. miles (6.509049 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    2.513158 sq. miles (6.509049 sq. km)
   FIPS code:            31643
   Located within:       New York (NY), FIPS 36
   Location:             42.722759 N, 78.833853 W
   ZIP Codes (1990):     14075
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Hamburg, NY
    Hamburg


U.S. Gazetteer Places (2000):

Hamburg, IL -- U.S. village in Illinois
   Population (2000):    126
   Housing Units (2000): 94
   Land area (2000):     0.521774 sq. miles (1.351389 sq. km)
   Water area (2000):    0.134048 sq. miles (0.347184 sq. km)
   Total area (2000):    0.655822 sq. miles (1.698573 sq. km)
   FIPS code:            32395
   Located within:       Illinois (IL), FIPS 17
   Location:             39.231277 N, 90.716207 W
   ZIP Codes (1990):     62045
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Hamburg, IL
    Hamburg


U.S. Gazetteer Places (2000):

Hamburg, PA -- U.S. borough in Pennsylvania
   Population (2000):    4114
   Housing Units (2000): 1932
   Land area (2000):     1.859694 sq. miles (4.816585 sq. km)
   Water area (2000):    0.143536 sq. miles (0.371756 sq. km)
   Total area (2000):    2.003230 sq. miles (5.188341 sq. km)
   FIPS code:            32120
   Located within:       Pennsylvania (PA), FIPS 42
   Location:             40.556271 N, 75.982667 W
   ZIP Codes (1990):     19526
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Hamburg, PA
    Hamburg


U.S. Gazetteer Places (2000):

Hamburg, IA -- U.S. city in Iowa
   Population (2000):    1240
   Housing Units (2000): 604
   Land area (2000):     1.120030 sq. miles (2.900865 sq. km)
   Water area (2000):    0.000472 sq. miles (0.001223 sq. km)
   Total area (2000):    1.120502 sq. miles (2.902088 sq. km)
   FIPS code:            33780
   Located within:       Iowa (IA), FIPS 19
   Location:             40.605816 N, 95.655023 W
   ZIP Codes (1990):     51640
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Hamburg, IA
    Hamburg


U.S. Gazetteer Places (2000):

Hamburg, MN -- U.S. city in Minnesota
   Population (2000):    538
   Housing Units (2000): 209
   Land area (2000):     0.199484 sq. miles (0.516660 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.199484 sq. miles (0.516660 sq. km)
   FIPS code:            26666
   Located within:       Minnesota (MN), FIPS 27
   Location:             44.733562 N, 93.966304 W
   ZIP Codes (1990):     55339
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Hamburg, MN
    Hamburg