If you are talking about the District of Columbia also known as Washington DC it is not officially considered a State and if your talking about Columbia itself, it is a foreign country that the United States has no control over.
Columbia is the capital of the US state of South Carolina.
Columbia is capital and largest city of US State South Carolina.
Columbia is the capital city in the U.S. state of South Carolina.
District of Columbia
Washington, District of Columbia.
Washington DC, it is the District of Columbia and is not in any state.
Northwest US. Divides Washington state and Oregon state.
Washington D.C (District of Columbia)
Washington, District of Columbia
Washington DC (district of Columbia)
It is printed in the district of Columbia
It is Alaska.