San Antonio is a Chilean commune and city; it is the capital and main city of the San Antonio province, in the Valparaíso region. It is one of the most important seaport of Chile.
The city is named after Saint Anthony ().
Geography
The city of San Antonio is just to north of the mouth of the Maipo, on small hills and dunes near the coast of central Chile, at and altitude of above sea level.
The commune has an area of . It is at about south of Valparaíso, the capital of the region.
San Antonio is bordered on the north and northeast by the commune of San Esteban; on the east, by the commune of Melipilla and the Maipo river; on the south, by the same river and by the communes of Santo Domingo and San Pedro; and on the west, by the Pacific Ocean.
Population
(last national census), there were 87,205 people living in the commune, giving it a population density of inhabitants/km².
The city of San Antonio has an urban area of and a population, in 2002, of 83,435 inhabitants.
San Antonio and several cities around it form a greater space, the Greater (or Conurbation) San Antonio.