Illuminated Block

Saint Ignatius' Church (Spanish: Iglesia de San Ignacio) is a Roman Catholic church situated at the Illuminated Block, in Buenos Aires's neighbourhood of Montserrat. The first building, which was made of adobe, was built by the Society of Jesus in 1675. The southern tower and the present facade were built in 1686, and the rest of the Church construction started in 1712. Today's church was completed in 1722 and consecrated in 1734.Saint Ignatius is the oldest church preserved in Buenos Aires, and was declared a National Historic Monument in 1942. On June 16, 1955, during a government campaign against the Church, after a failed revolution against Juan Domingo Perón government, Peronist mobs burnt most churches of Buenos Aires, including Saint Ignatius.

Colegio Nacional de Buenos Aires (National School of Buenos Aires) is a public high school in Buenos Aires, Argentina. In the tradition of the European gymnasium it provides a free education that includes classical languages such as Latin and Greek. The school is one of the most prestigious in Latin America. Its alumni include many personalities, including two Nobel laureates and four Presidents of Argentina.

The National Institute of Statistics and Censuses (Spanish: Instituto Nacional de Estadística y Censos; INDEC) is an Argentine decentralized public body that operates within the Ministry of Economy, which exercises the direction of all official statistical activities carried out in the country. In February 2013, the International Monetary Fund censured Argentina for failing to report accurate inflation data. Political intervention in the INDEC figures ended, and the IMF declared in November 2016 that Argentine statistics were again in accordance with international standards.

The Buenos Aires City Legislature (Spanish: Legislatura de la Ciudad Autónoma de Buenos Aires, commonly known as the Legislatura Porteña) is a central part of the Government of the City of Buenos Aires, Argentina. It is housed in the Legislature Palace (Spanish: Palacio de la Legislatura), an architectural landmark in the city's barrio of Montserrat.

The Buenos Aires Legislature Palace (Spanish: Palacio de la Legislatura de la Ciudad de Buenos Aires) houses the Legislature of the City of Buenos Aires, Argentina. It is an architectural landmark in the city's Montserrat district, situated in a triangular block bounded by the streets Hipólito Yrigoyen Street, Presidente Julio A. Roca Avenue and Perú Street. Built of grey granite, it has a Neoclassical design. The building is open to the public on week-days only. The building contains the Esteban Echeverría Library, Salón Rosado (also known as the "Eva Perón Hall"), and a carillon which, when it was installed in 1930, was the largest in South America.

The Cabildo of Buenos Aires (Spanish: Cabildo de Buenos Aires) is the public building in Buenos Aires that was used as seat of the town council during the colonial era and the government house of the Viceroyalty of the Río de la Plata. Today the building is used as a museum.

Perú is a station on Line A of the Buenos Aires Underground. Passengers may transfer from here to the Catedral Station on Line D and to the Bolívar Station on Line E.

Otto Wulff building (Spanish: Edificio Otto Wulff) is a historic building of Buenos Aires. It is located in the corner of Belgrano and Peru, neighborhood of Monserrat. This building was built on the grounds of an old colonial house known by the name of "La Casa de la Virreina Vieja", which had been owned by the Viceroy Joaquín del Pino and his family. Around the year of 1910 the lands of this property was acquired by the businessman Otto Wulff, who entrusted the Danish architect Morten Rönnow, the construction of a Jugendstil-style building.

A la Ciudad de Londres was a traditional European department store, which operated in Buenos Aires from 1872 to 1922. It was the first large clothing store established in the city of Buenos Aires towards the end of the 19th century.

The Buenos Aires House of Culture is an architectural landmark in the Montserrat section of the Argentine capital.

The Grand Hotel (Spanish: El Grand Hotel), Buenos Aires was a building that occupied the corner of Rivadavia and Florida streets in Buenos Aires. One of the most luxurious hotels at the turn of the 20th century, it welcomed personalities from politics and culture, taking advantage of its central location. It was demolished in the 1960s, and in its place the Palacio de las Sociedades Anónimas (Palace of Joint-Stock Companies) was constructed.

Catedral is a terminal station of the Line D of the Buenos Aires Underground. From here, passengers may transfer to the Perú station on Line A and the Bolívar station on Line E.