Barranquilla is an industrial port city and municipality located in northern Colombia, near the Caribbean Sea. The capital of the Atlántico Department, it is the largest industrial city and port in the Colombian Caribbean region with a population of 1,148,506 as of 2005, which makes it Colombia's fourth most populous city after Bogotá, Medellín and Cali.

Barranquilla lies strategically next to the delta of the Magdalena River, 7.5 kilometres (originally 25 km before rapid urban growth) from its mouth at the Caribbean Sea, serving as port for river and maritime transportation within Colombia. It is also the main industrial, shopping, educational and cultural centre of the Caribbean Region of Colombia. The city is the core of the Metropolitan Area of Barranquilla, which is constituted by the municipalities of Soledad, Galapa, Malambo, and Puerto Colombia.
Reference: http://en.wikipedia.org/wiki/Barranquilla,_Atlantico,_Colombia