Submitted by mhabich on Fri, 10/30/2020 - 14:39 Select a region of Andean Northwest The Andean Northwest is a region in the northwest of Argentina bordered in the north by Bolivia, in the east by the Chaco region, in the southeast by the Pampas region, in the south by the Cuyo region, and in the west by Chile. Provinces of Andean Northwest Catamarca Jujuy La Rioja Salta Santiago del Estero Tucumán Other regions of Argentina Cuyo Mesopotamia Pampas Patagonia