Medellín is the second most important city in Colombia, and capital of the Department of Antioquia.
It sits on the widest part of the natural region known as Valle de Aburrá, in the central Andes mountain range. It extends to both banks of the Medellín River, which crosses it from south to north, and is the main nucleus of the metropolitan area of the Aburrá Valley.
In 1826 it was designated capital of Antioquia, title held by Santa Fe de Antioquia since colonial times. During the 19th century, Medellín developed as a dynamic center of commerce, first exporting gold, and later merchandise from the industrialization of the city.
The average temperature is 24º and is located at 1,475 meters above sea level.