Junín de los Andes is a first category municipality and administrative center of the Huiliches Department in the province of Neuquén, Argentina. It is located in the south of the province, by the Chimehuin River, on National Route 234, about 35 km (22 mi) north of San Martín de los Andes and 17 km (11 mi) from the Chapelco Airport, which services the area.

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.