Buenos Aires is the capital and largest city of Argentina, and the second-largest metropolitan area in South America, after Greater Sao Paulo.It is located on the western shore of the estuary of the Río de la Plata, on the continent's southeastern coast. The Greater Buenos Aires conurbation, which also includes several Buenos Aires Province districts, constitutes the third-largest conurbation in Latin America, with a population of around fifteen and a half million.
