Neuquén is a province of Argentina, located in the west of the country, at the northern end of Patagonia. It borders Mendoza Province to the north, Rio Negro Province to the southeast, and Chile to the west. It also meets La Pampa Province at its northeast corner.
Patagonia is a region in southern Argentina.
Santa Fe is in the Pampas region of Argentina.
La Pampa is in the Pampas region of Argentina.
Córdoba is a province in the Pampas region of Argentina.
Buenos Aires Province is in Argentina. The city of Buenos Aires is surrounded by the province, but is politically autonomous.
The Pampas is a region in central Argentina bordered in the north by the Chaco region, in the northeast by the Mesopotamia region, in the east by the La Plata River (separating it from Uruguay), in the southeast by the Atlantic Ocean, in the south by the Patagonia region, in the west by the Cuyo region, and in the northwest by the Andean Northwest region.
Misiones is in the Mesopotamia region of Argentina.
Entre Rios is in the Mesopotamia region of Argentina.
Corrientes is in the Mesopotamia region of Argentina.