Centennial park

Parque Centenario is an extensive public park in the Caballito district of Buenos Aires, Argentina.

The Leloir Institute is a non-profit research center in Buenos Aires specializing in biochemistry, cellular biology, molecular biology, and related activities.

Hospital Naval is a building in the Caballito section of Buenos Aires designed by architect Clorindo Testa in 1977. Serving Argentine Navy personnel and facing Parque Centenario, the institution was established in 1947, and its current, modernist building was inaugurated in 1981. The 30,000 m² (320,000 ft²) hospital is one of the best-known examples of brutalist architecture in Argentina.

Instituto Privado Argentino-Japonés (IPAJ), also known as Nichia Gakuin (日亜学院), is a bilingual Spanish-Japanese elementary and middle school in Buenos Aires. It is the only school permitted by the Argentine Ministry of Education to require students to take Japanese, and it is the only bilingual Spanish-Japanese school in Buenos Aires.

Asociación Argentina Amigos de la Astronomía (A.A.A.A. or asaramas; the Argentinian Association of the Friends of Astronomy; obs code: 834) is an amateur astronomy civil association based on Buenos Aires, Argentina, with the aim of spreading astronomy. It was founded on January 4, 1929 and its field courses are held on related subjects, research in collaboration with professional bodies and printed publications or multimedia, and recreational activities for the general public.