Columbia is a name used for the Americas, especially North America, based on Christopher Columbus. It is the name of several US cities including the capital of South Carolina.
The spelling Colombia is a country in NW South America, similarly named for Columbus
The Columbia River originates in British Columbia
You'll need to be more specific. The District of Columbia is in the US. Columbia Missouri and Columbia SC are in the US. Columbia University and Columbia College are in the US. Colombia (note the spelling) the country is not in the US.
It is in Columbia
Columbia
The address of the Columbia is: 13824 W. River Rd. N., Columbia Station, 44011 9523
Columbia Restaurant's motto is 'Columbia the Gem of Spanish Restaurants'.
The address of the Columbia Historial Society is: Po Box335, Columbia, AL 36319-0335
The address of the Historic Columbia Foundation is: Po Box 779, Columbia, VA 23038
Its source is Columbia Lake in British Columbia, Canada.
Potomac River
Yes, Columbia has bullfights.
Africa