Where is Buenos Aires?
Buenos Aires city, Federal District is the capital of Argentina. Buenos Aires city is on the southern shore of the Río de la Plata (River of Silver), some 150 miles from the Atlantic Ocean. It is one of the worlds most important and most populous ports and cities. The city area or Capital Federal and some of its more central barrios described on our website cover an area of only 77 square miles. However, the total metropolitan area is a whopping 1500 square miles. According to tradition, 16th-century Spanish sailors named the port after their patron saint, Santa María del Buen Aire (St. Mary of the Good Air). .