Malargüe is a department located in the south west of Mendoza Province in Argentina. Its borders are San Rafael in the north, La Pampa Province in the east, Neuquén Province in the south and Chile to the west.
The provincial subdivision has a population of about 23,000 inhabitants in an area of 41,317 km², and its capital city is Malargüe, which is located around 1,180 km from the federal capital Buenos Aires.