Submitted by mhabich on Fri, 10/30/2020 - 14:39 Select a Province from Andean Northwest region 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 Chaco Formosa Cuyo Mesopotamia Pampas Patagonia Tierra del Fuego