Namesakes
American Cities:
11 cities
Washington District of Columbia 
Washington Illinois
Washington Indiana
Fort Washington Maryland
Washington Missouri
Port Washington New York
Washington North Carolina
Washington Pennsylvania
Washington Utah
Washington Terrace Utah
Port Washington Wisconsin
British Cities:
1 city
Washington Tyne and Wear
Cities 100K+:
1 city
Washington United States
Political Subdivisions:
1 federal district, 1 state
(federal district) District of Columbia (a.k.a. Washington) United States
(state) Washington United States
World Capitals:
1 capital
Washington United States