The Sierras de Córdoba is a mountain range in central Argentina, located between the Pampas to the east and south and the Chaco to the north and east. Most of the range is located in Córdoba Province, except for the southwestern margin which is in San Luis Province. The Sierras de Córdoba are part of the Sierras Pampeanas, a group of mountain ranges which extend north and south on the eastern side of the Andes.