Puente Alto (Spanish: "High Bridge") is a city and commune of Chile. It is the capital of the Cordillera Province in the Santiago Metropolitan Region. Located at the south of the Great Santiago conurbation (of which it is part), it houses 568,106 inhabitants (city proper, 2017 census), making it the most populous commune in Chile. After 1883, the province of Santiago was divided into three departments: Santiago, La Victoria and Melipilla. In 1891 the "Autonomic Commune Law" was enacted, after which the president signed as the "Decree of the Creation of Municipalities."