Barrio (district) San Telmo in Buenos Aires, Argentina. San Telmo's attractions include old churches, museums, antique stores and a semi-permanent antique fair in the main public square, Plaza Dorrego. Tango-related activities for both locals and tourists are in the area.

Montserrat is located south of San Nicolás. The section of the Montserrat ward within the business district includes some of the most important buildings in Argentine Government and history, and was the site of the Buenos Aires Cabildo, the colonial town hall. City Hall and the Avenida de Mayo Avenida de Mayo runs through the Montserrat district, connecting Plaza de Mayo and Congressional Plaza. A block or two south of the Plaza de Mayo, the older section of Montserrat begins. This is Buenos Aires's oldest neighborhood and even today, very little of the cityscape there is less than a hundred years old. The district's led central location and its presence therein of much of Argentina's governmental structure led to monumental construction over the 1910s, notable among which are the Casa Rosada, City Hall, the City Legislature, the Customs building, the offices of La Prensa (today the Buenos Aires House of Culture), the art-deco NH City Hotel (off the Plaza de Mayo), the Libertador Building (Ministry of Defense), and South Diagonal Avenue.

Retiro is a barrio (district) in Buenos Aires, Argentina. Located in the northeast end of the city, Retiro is bordered on the south by the Puerto Madero and San Nicolás barrios, and on the west by the Recoleta barrio.

La Boca is a barrio (district) of the Argentine capital, Buenos Aires. It retains a strong European flavour, with many of its early settlers being from the Italian city of Genoa. In fact the name has a strong assonance with the Genoese neighborhood of Boccadasse, and some people believe that the Buenos Aires barrio was indeed named after it. The conventional explanation is that the neighborhood sits at the mouth ("boca" in Spanish) of the Riachuelo.

The Buenos Aires Zoo is an 45-acre zoo in the Palermo district of Buenos Aires, Argentina. The Zoo contains 89 species of mammals, 49 species of reptiles and 175 species of birds, with a total of over 2,500 different animals.

La Recoleta Cemetery is a cemetery located in the Recoleta neighbourhood of Buenos Aires, Argentina. It contains the graves of notable people, including Eva Perón, Raúl Alfonsín, and several presidents of Argentina.

Puerto Madero, also known within the urban planning community as the Puerto Madero Waterfront, is a barrio (district) of the Argentine capital at Buenos Aires CBD, occupying a significant portion of the Río de la Plata riverbank and representing the latest architectural trends in the city of Buenos Aires.