Its other large cities include Medellín, Cartagena de Indias, and Barranquilla.
Much of this country's southern border is delineated by the Putumayo River, a tributary of the Amazon, and the city of Leticia on the Amazon is the largest south of the Putumayo. Its highest peak lies in the Sierra Nevada de Santa Marta, which in turn is just east of a large swamp near the mouth of the Magdalena River. This nation also controls most of the Guajira Peninsula, and the Andes split into three branches in it. This country's Atrato River was once considered for an Atlantic-Pacific Canal. Its other large cities include Medellín, Cartagena de Indias, and Barranquilla. For 10 points, name this country whose capital is Bogotá.
Much of this country's southern border is delineated by the Putumayo River, a tributary of the Amazon, and the city of Leticia on the Amazon is the largest south of the Putumayo.
Republic of {Colombia}