Buenos Aires, officially the Buenos Aires Province, is the largest and most populous Argentine province. 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. Since then, in spite of bearing the same name, the province does not include Buenos Aires proper, though it does include all other parts of the Greater Buenos Aires metropolitan area. The capital of the province is the city of La Plata, founded in 1882.
Santa Rosa is a city in the Argentine Pampas (lowlands), and the capital of La Pampa Province, Argentina. It lies on the east of the province, on the shore of the Don Tomás Lagoon, at the intersection of National Routes 5 and 35. The city (94,340) and its surroundings hold 102,610 inhabitants ,Census-ar 2.010 hold 124.101 inhabitants the capital y Toay around a third of the population of the province. Its current mayor is Leandro Altolaguirre. Founded in 1892 by Tomás Mason, Santa Rosa did not develop into a relatively important agricultural centre until the second half of the 20th century. It is still one of the smallest provincial capitals of the country after Patagonian Rawson, Ushuaia and Viedma.
Mercedes is a city in Buenos Aires Province, Argentina. It is located 100 km west from Buenos Aires and 30 km southwest of Luján. It is the administrative headquarters for the district (partido) of Mercedes as well as of the judicial district. The Catedral Basílica de Mercedes-Luján, located in the city, is the seat of the Roman Catholic Archdiocese of Mercedes-Luján.
Greater Buenos Aires, also known as the Buenos Aires Metropolitan Area, refers to the urban agglomeration comprising the Autonomous City of Buenos Aires and the adjacent 24 partidos (districts) in the Province of Buenos Aires. Thus, it does not constitute a single administrative unit. The conurbation spreads south, west and north of Buenos Aires city. To the east, the River Plate serves as a natural boundary.
Junín is a city in the province of Buenos Aires, Argentina, and administrative seat of the partido of Junín. It has a population of 85,420 and is located 260 km (162 mi) west of the city of Buenos Aires. It is mostly known for being the hometown of former first lady of Argentina Eva Perón.
San Justo is a city and the seat of government of La Matanza Partido, Buenos Aires Province, Argentina.
La Matanza is a partido located in the urban agglomeration of Greater Buenos Aires, Buenos Aires Province, Argentina.
The Matanza River is known by several names, including, in Spanish, Río de la Matanza, Río Matanza, Río Mataderos, Río de la Manzana or simply Riachuelo. It is a 64-kilometre (40 mi) stream in Argentina that originates in the Buenos Aires Province and defines the southern boundary of the Buenos Aires federal district. It empties into the Río de la Plata between Tandanor and Dock Sud. The La Boca neighbourhood and the Boca Juniors football club are located near the Riachuelo's mouth. The Spanish word boca means "mouth".
Merlo is a partido of Buenos Aires Province, Argentina. It is located in Greater Buenos Aires, Argentina, west of the city of Buenos Aires. Its capital is the city of Merlo.
The Humid Pampas is an extensive ecoregion of flat, fertile grassland of loessic origin in Argentina. It has a precipitation average of 900 mm per year, in contrast with the Dry Pampas to the west, which average less than 700 mm.
The Morropón Province is one of eight provinces of the Piura Region in Peru. The province was created in 1936. Its administrative center is in the town of Chulucanas.
Merlo is the head town of the eponymous partido of Merlo and seat of the municipal government, located in the Greater Buenos Aires urban area of Buenos Aires Province, Argentina.
Ciudad Evita is a city in the partido of La Matanza in Buenos Aires Province, Argentina, located 20 kilometers (13 mi) from Downtown Buenos Aires within the Greater Buenos Aires metro area. Ciudad Evita has a population of 68,650 (2001).
The General Manuel Belgrano Railway (FCGMB), named after the Argentine politician and military leader Manuel Belgrano, is a 1,000 mmmetre gauge railway and the longest of the Argentine system. It was one of the six State-owned Argentine railway companies formed after President Juan Perón's nationalisation of the railway network in 1948.
Rafael Castillo is a western suburb of Buenos Aires, located in La Matanza Partido, Buenos Aires Province, Argentina. It is part of the urban agglomeration of Greater Buenos Aires.
The Belgrano Sur line is an Argentine 1,000 mmmetre gauge commuter rail service in the Greater Buenos Aires area, currently operated by state-owned enterprise Trenes Argentinos. The Belgrano Sur runs over tracks and stations built by the Franco–Belgian-owned Compañía General de Buenos Aires and British Midland companies at the beginning of the 20th century.
González Catán is a city located in La Matanza Partido, Buenos Aires Province, Argentina. The city is the second-largest by area in the county (52 km²), and the second most-populous. The city is located near the southwestern end of the Greater Buenos Aires metropolitan area, 20 miles (32 km) from Buenos Aires along Route 3.
Tapiales is a town in Argentina. It is located in La Matanza Partido and forms part of Greater Buenos Aires. Tapiales had a population of 15,158 at the 2001 census.
Ciudad Madero, also known as Villa Eduardo Madero, is a city in La Matanza Partido, Buenos Aires Province, Argentina. It is located within the Greater Buenos Aires metropolitan area.
Romina Del Plá is an activist in the Workers' Party (Argentina).
Argentina 
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