Co·lom·bi·a [ kə lúmbee ə ]country in northwestern South America surrounded by the Caribbean Sea, Venezuela, Brazil, Peru, Ecuador, Panama, and the Pacific Ocean. Languages: Spanish. Currency: peso. Capital: Bogotá. Population: 45,644,023 (2009 estimate).
Area: 1,141,748 sq km (440,831 sq mi) Official name Republic of Colombia