The City of Buenos Aires is the capital of the Argentine Republic and is located in the southern hemisphere, latitude 34º 36' and longitude 58º 26'. The city extends on a plain and has 202 square kilometers (78.3 sq miles). Approximately 3 million people live in this city. Including the metropolitan area, the total population of Buenos Aires is above ten millions, making it one of the 10 most populated urban centers in the world.

The Río de la Plata and the Riachuelo are the natural borders of the city on the east and south, respectively. The rest of the metropolitan perimeter is surrounded by the General Paz Avenue from north to west. This avenue provides a fast connection between the city and the Greater Buenos Aires, a densely populated area with important business and industrial activity.