Colombia located in the northwest side of South America is officially called the Republic of Colombia.This country is bordered by Brazil and Venezuela in the east, Panama in the northeast and Peru and Ecuador in the south. Caribbean Sea in the north and North Pacific Ocean in the west are its coastal boundaries.Colombia occupies a total area of 1,138,910 Sq.Km. making it the 26th largest country of the world.his country is bordered by Brazil and Venezuela in the east, Panama in the northeast and Peru and Ecuador in the south. Caribbean Sea in the north and North Pacific Ocean in the west are its coastal boundaries. Colombia occupies a total area of 1,138,910 Sq. Km. making it the 26th largest country of the world.