Antioquia, an interior department of the republic of Colombia, lying S. of Bolivar, W. of the Magdalena river, and E. of Cauca. Area, 22,870 sq. m.; pop. (est. 1899) 464,887. The greater part of its territory lies between the Magdalena and Cauca rivers and includes the northern end of the Central Cordillera. The country is covered with valuable forests, and its mineral wealth renders it one of the most important mining regions of the republic. The capital, Medellin (est. pop. 53,000 in 1902), is a thriving mining centre, 4822 ft. above sea-level, and 125 m. from Puerto Berrió on the Magdalena. Other important towns are Manizales (18,000) in the extreme south, the commercial centre of a rich gold and grazing region; Antioquia, the old capital, on the Cauca; and Puerto Berrió on the Magdalena, from which a railway has been started to the capital.