The Pampas, also known as the Pampas Plain, are fertile South American low grasslands that cover more than 1,200,000 square kilometres (460,000 sq mi) and include the Argentine provinces of Buenos Aires, La Pampa, Santa Fe, Entre Ríos, and Córdoba; all of Uruguay; and Brazil's southernmost state, Rio Grande do Sul. The vast plains are a natural region, interrupted only by the low Ventana and Tandil hills, near Bahía Blanca and Tandil (Argentina), with a height of 1,300 m (4,265 ft) and 500 m (1,640 ft), respectively.
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.
A partido is the second-level administrative subdivision only in the province of Buenos Aires, Argentina. They are formally considered to be a single administrative unit, usually contain one or more population centers, and are divided into localidades. The subdivision in partidos in Buenos Aires Province is distinct from all other provinces of Argentina, which call their second-level subdivisions departamento and are further subdivided into distinct municipalities.
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.
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 city 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.
Puente Alsina is an Argentine railway station in the Greater Buenos Aires neighbourhood of Valentín Alsina in the Lanús partido of Buenos Aires Province. The station takes its name from the nearby bridge of Puente Alsina over the Riachuelo River. On the other side of this bridge lies the neighbourhood of Nueva Pompeya within the city of 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 through stations built by the Franco–Belgian-owned Compañía General de Buenos Aires and British Midland companies at the beginning of the 20th century.
Ramos Mejía is a city in La Matanza Partido, Buenos Aires Province, Argentina. The town has an area of 11.9 km2 (4.6 sq mi) and a population of 98,547. The city is one of the largest commercial districts in the Western area of Greater Buenos Aires.
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 
Buenos Aires 
