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Callao is a station on Line B of the Buenos Aires Underground. The station was opened on 17 October 1930 as the eastern terminus of the inaugural section of the line between Federico Lacroze and Callao. On 22 July 1931, the line was extended to Carlos Pellegrini.It is located in the Balvanera barrio, at the intersection of Avenida Corrientes and Avenida Callao, and named after the latter.

Colegio del Salvador is a private Catholic, pre-school, primary and secondary school for boys, located in Buenos Aires, Argentina. The school was founded by the Society of Jesus in 1868.

Paseo La Plaza is a cultural and commercial complex in the San Nicolás section of Buenos Aires, Argentina.

Callao Avenue (Spanish: Avenida Callao) is one of the principal thoroughfares in Buenos Aires, Argentina.

The Confitería del Molino (Spanish: The Mill) is an historical Art Nouveau style confitería (coffeehouse) in Buenos Aires, Argentina, located in front of the Palace of the National Congress and the Congressional Plaza, on the intersection of Callao and Rivadavia avenues in the barrio of Balvanera. It first opened on 9 July 1916 and closed in 1997, the year when it was declared a National Historic Monument by the Argentine Congress. In recent years it has become dilapidated and derelict. In 2014, a law passed by Congress expropriated the coffeehouse and mandated its restoration; restoration efforts began in 2016 and are, as of 2020, still ongoing.

The Teatro General San Martín (General San Martín Theater) is an important public theater in Buenos Aires, located on Corrientes Avenue and adjacent to the cultural center of the same name. It is one of the major theaters in Argentina and offers venues for the representation of stage works and film, as well as art exhibitions.

The Argentine Academy of Cinematography Arts and Sciences (Spanish: Academia de las Artes y Ciencias Cinematográficas de la Argentina - AACCA) is an industry association in Argentina founded in 2004. Each year the Academy present the Premios Sur (South Prizes) for categories such as best fiction film, best director, best actor and best photography. The Academy also selects Argentine films to represent the company in the annual awards of other countries, such as the Oscars, where appropriate.

The General San Martín Cultural Centre (Spanish: Centro Cultural General San Martín) is a cultural centre located in Buenos Aires, Argentina near the major thoroughfare Corrientes Avenue. It is run by the city government, and hosts diverse cultural and artistic events. Adjacent to the theatre of the same name inaugurated in 1960 on Corrientes Avenue, the cultural center was designed by local architect Mario Roberto Álvarez, and was built between 1962 and 1970.The center hosted the National Commission on the Disappeared (CONADEP) in 1984, as well as the first session of the Buenos Aires City Legislature following the devolution of autonomy to the city in 1996, and an extensive renovation began in 2007. Its annual theatre audiences of nearly 350,000 make it the largest public cultural center nationally, and with similar numbers at the privately operated Paseo La Plaza one block west, the 1500 block of Corrientes Avenue is arguably the leading center for the theatre in Latin America.The cultural centre is named after General José de San Martín, leader of the Argentine War of Independence. The 30,000-square-metre (320,000 sq ft) building is spread over 12 floors and has different rooms for workshops and courses, including the Buenos Aires Audiovisual Nucleus with over 7,000 documentary works. The principal halls are: Sala Ernesto Bianco - 70 persons, dances Sala Enrique Muino - 254 persons, scenic arts Sala A/B - 750 persons Sala C - 200 persons Sala D - 200 persons Sala E - 200 persons Sala F - 200 persons Salón Madres de Plaza de Mayo, 150 persons, for use of Madres de Plaza de Mayo, and others.At the eastern end of the building there are two small parks– the Plaza de las Américas and the Patio de Esculturas.

Congreso is a station on Line A of the Buenos Aires Underground. It lies at the intersection of Rivadavia and Callao avenues, in the neighborhood of Balvanera. It is located just metres from the Palace of the Argentine National Congress. The station belonged to the inaugural section of the Buenos Aires Underground opened on 1 December 1913, which linked the stations Plaza Miserere and Plaza de Mayo.

The Palace of the Argentine National Congress (Spanish: Palacio del Congreso de la Nación Argentina, often referred locally as Palacio del Congreso) is a monumental building, seat of the Argentine National Congress, located in the city of Buenos Aires. It is located in the barrio of Balvanera at its limit with Monserrat, an area informally known as the Congreso neighbourhood. Constructed between 1898 and 1906, the palace is a National Historic Landmark. The Kilometre Zero for all Argentine National Highways is marked on a milestone at the Congressional Plaza, next to the building.

The Congress of the Argentine Nation (Spanish: Congreso de la Nación Argentina) is the legislative branch of the government of Argentina. Its composition is bicameral, constituted by a 72-seat Senate and a 257-seat Chamber of Deputies. The Senate, whose members are elected to six-year terms renewable by thirds each two years, consists of three representatives from each province and the federal capital. The Chamber of Deputies, whose members are elected to four-year terms, is apportioned according to population, and renews their members by a half each two years. The Congressional Palace is located in Buenos Aires, at the western end of Avenida de Mayo (at the other end of which is located the Casa Rosada). The Kilometre Zero for all Argentine National Highways is marked on a milestone at the Congressional Plaza, next to the building.

The Chamber of Deputies (Spanish: Cámara de Diputados de la Nación), officially the Honorable Chamber of Deputies of the Argentine Nation, is the lower house of the Argentine National Congress (Spanish: Congreso de la Nación). It is made up of 257 national deputies who are elected in multi-member constituencies corresponding with the territories of the 23 provinces of Argentina (plus the Federal Capital) by party list proportional representation. Elections to the Chamber are held every two years, so that half of its members are up in each election, making it a rare example of staggered elections used in a lower house. The Constitution of Argentina lays out certain attributions that are unique to the Chamber of Deputies. The Chamber holds exclusive rights to levy taxes; to draft troops; and to accuse the President, cabinet ministers, and members of the Supreme Court before the Senate. Additionally, the Chamber of Deputies receives for consideration bills presented by popular initiative. The Chamber of Deputies is presided over by the President of the Chamber (Spanish: Presidente de la Cámara), who is deputized by three Vice Presidents. All of them are elected by the chamber itself.