Colombia (kulŭm'bēu, Span. kōlōm'byä) [key], officially Republic of Colombia, republic (2005 est. pop. 42,954,000), 439,735 sq mi (1,138,914 sq km), NW South America. Bogotá is the capital and largest city. The only South American country with both a Caribbean and a Pacific coastline, Colombia is bounded on the northwest by Panama, on the northeast by Venezuela, on the south by Ecuador and Peru, and on the southeast by Brazil.
