WordNet (r) 3.0 (2006):

Castro
    n 1: Cuban socialist leader who overthrew a dictator in 1959 and
         established a Marxist socialist state in Cuba (born in
         1927) [syn: Castro, Fidel Castro, Fidel Castro Ruz]

U.S. Gazetteer Counties (2000):

Castro -- U.S. County in Texas
   Population (2000):    8285
   Housing Units (2000): 3198
   Land area (2000):     898.314009 sq. miles (2326.622504 sq. km)
   Water area (2000):    1.004344 sq. miles (2.601240 sq. km)
   Total area (2000):    899.318353 sq. miles (2329.223744 sq. km)
   Located within:       Texas (TX), FIPS 48
   Location:             34.529907 N, 102.282176 W
   Headwords:
    Castro
    Castro, TX
    Castro County
    Castro County, TX