There is more than one place called '''Columbia''':
Columbia (California) - a city in the state of California
Columbia (Kentucky) - a city in the commonwealth of Kentucky
Columbia (Maryland) - a city in the state of Maryland
Columbia (Missouri) - a city in the state of Missouri
Columbia (Tennessee)
Columbia County (New York) - a county in the state of New York
Columbia (South Carolina) - a city in the state of South Carolina
Columbia County (Florida) - a county in North Central Florida.
Columbia County (Pennsylvania) - a county in Pennsylvania
Columbia County (Washington) - a county in the Palouse region of Washington state
Beware also the possible misspelling of Colombia, the name of a country in South America.