There is more than one place called Washington:
Washington, D.C. - The capital of the United States of America.
Washington (state) - A state in the Pacific Northwest of the United States of America.
Washington (Connecticut) - a small town in Connecticut.
Washington (Georgia) - a small town in Georgia.
Washington (Illinois) - a city in Illinois.
Washington (Indiana) - a city in Indiana.
Washington (Iowa) - a small town in Iowa.
Washington (Missouri) - A city in Missouri.
Washington (Morris County, New Jersey) - A township in Morris County (New Jersey).
Washington (Warren County, New Jersey) - A township in Warren County (New Jersey).
Washington (North Carolina) - a town in North Carolina.
Washington (Pennsylvania) - a city in Pennsylvania.
Washington (Utah) - a town in Utah
Washington (Eau Claire County, Wisconsin) - a town in Eau Claire County, Wisconsin.
Also: