WordNet (r) 3.0 (2006):

Greenwich
    n 1: a borough of Greater London on the Thames; zero degrees of
         longitude runs through Greenwich; time is measured relative
         to Greenwich Mean Time

U.S. Gazetteer Places (2000):

Greenwich, NY -- U.S. village in New York
   Population (2000):    1902
   Housing Units (2000): 852
   Land area (2000):     1.485456 sq. miles (3.847314 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    1.485456 sq. miles (3.847314 sq. km)
   FIPS code:            30675
   Located within:       New York (NY), FIPS 36
   Location:             43.091396 N, 73.497199 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Greenwich, NY
    Greenwich


U.S. Gazetteer Places (2000):

Greenwich, OH -- U.S. village in Ohio
   Population (2000):    1525
   Housing Units (2000): 610
   Land area (2000):     1.356780 sq. miles (3.514045 sq. km)
   Water area (2000):    0.017465 sq. miles (0.045234 sq. km)
   Total area (2000):    1.374245 sq. miles (3.559279 sq. km)
   FIPS code:            32368
   Located within:       Ohio (OH), FIPS 39
   Location:             41.030877 N, 82.517181 W
   ZIP Codes (1990):     44837
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Greenwich, OH
    Greenwich