Puente Alto is a city and commune in Chile and the capital of Cordillera Province in the Santiago Metropolitan Region. Located in the south-east corner of the Greater Santiago conurbation, it is the most populous commune in Chile, with a population of 568,086.
As part of the Santiago Metropolitan Region, Puente Alto functions as a significant administrative and residential hub within the greater metropolitan area. Its status as both a provincial capital and the country's most populous commune reflects its importance within Chile's urban landscape.