WordNet (r) 3.0 (2006):

Berkshire
    n 1: a county in southern England

U.S. Gazetteer Counties (2000):

Berkshire -- U.S. County in Massachusetts
   Population (2000):    134953
   Housing Units (2000): 66301
   Land area (2000):     931.317298 sq. miles (2412.100627 sq. km)
   Water area (2000):    14.952826 sq. miles (38.727640 sq. km)
   Total area (2000):    946.270124 sq. miles (2450.828267 sq. km)
   Located within:       Massachusetts (MA), FIPS 25
   Location:             42.396128 N, 73.209889 W
   Headwords:
    Berkshire
    Berkshire, MA
    Berkshire County
    Berkshire County, MA