Cordillera Province (Spanish: Provincia de Cordillera) is one of six provinces in the Santiago Metropolitan Region of central Chile. Its topography includes a small area of Chile's central valley, glaciers, rivers, volcanoes, and the Andes range, which forms the border with Mendoza Province in Argentina. The provincial capital of Puente Alto lies approximately 21 km (13 mi) south-southeast of Santiago.

As a province, Cordillera is a second-level administrative division of Chile, governed by a provincial governor who is appointed by the president. The current governor is Caterina Klein Plesnar.

The province comprises three communes, each governed by a municipality consisting of an alcalde and municipal council: Pirque, Puente Alto and San José de Maipo.

The provincial area is 5,528.3 km² (2,134 sq mi), making it the largest province in the region. According to the 2002 census, Cordillera was the second most populous province in the region with a total population of 522,856. At that time, there were 511,565 people living in urban areas, 11,291 living in rural areas, 256,193 men, and 266,663 women.

Cajón del Maipo

Puente Alto

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