A report on Buenos Aires

Argentina is a federal state subdivided into twenty-three provinces, and one autonomous city, which is the federal capital and largest city of the nation, Buenos Aires.

Between 1680 and 1683, Portugal founded the city of Colonia do Sacramento in the region across the bay from Buenos Aires.

It takes its name from the city of Buenos Aires, the capital of the country, which used to be part of the province and the province's capital until it was federalized in 1880.

The Buenos Aires Underground (Subterráneo de Buenos Aires), locally known as Subte (, from subterráneo – 'underground' or 'subterranean'), is a rapid transit system that serves the area of the city of Buenos Aires, Argentina.

The city is located 300 km northwest of Buenos Aires, on the west bank of the Paraná River.

The May Revolution (Revolución de Mayo) was a week-long series of events that took place from May 18 to 25, 1810, in Buenos Aires, capital of the Viceroyalty of the Río de la Plata.

Buenos Aires, autonomous city and capital of Argentina, is composed of forty-eight neighborhoods (locally known as barrios).

Palermo is a barrio or neighborhood of Buenos Aires, Argentina.

Its natural harbor soon developed into a commercial area competing with Río de la Plata's capital, Buenos Aires.

Buenos Aires, located on the western shore of the Río de la Plata estuary flowing into the Atlantic Ocean, opposite the Portuguese outpost of Colonia del Sacramento, was chosen as the capital.