Palace of the Argentine National Congress Palace

Address: Av. Rivadavia 1864, C1033 CABA, Buenos Aires, Argentina

Website: https://www.hcdn.gob.ar/

Hours: Tours by reservation; check official site for times

Admission: Guided tours available (often free) - check official site for schedules and booking

The Palace of the Argentine National Congress (Palacio del Congreso) is the seat of Argentina’s bicameral National Congress, located in central Buenos Aires. The monumental building was completed and inaugurated in 1906 and is notable for its large central dome and formal façade.

The complex houses the two legislative chambers - the Chamber of Deputies and the Senate - along with offices, committee rooms and public galleries for visitors and parliamentary observers. Architectural features include a prominent dome, grand staircases and richly decorated interior halls that reflect its national role.

Construction commenced around the end of the 19th century and involved multiple architects during its execution; the finished building has been the centre of Argentina’s national legislative processes since the early 20th century. Over time the site has undergone restorations and adaptations to accommodate modern legislative needs.

The palace stands facing the Plaza del Congreso in the central district of Buenos Aires, within the city’s governmental and historic quarter.

• Construction and inauguration: Construction began around the turn of the 20th century and the building was inaugurated in 1906; several architects were involved in its design and completion.

What to See#

• Chamber of Deputies: The chamber used by the lower house of the Argentine National Congress where deputies meet to debate and vote on legislation; the chamber is located within the building under the central dome area.
• Senate chamber: The upper-house chamber where the Senate holds sessions, located in the same building complex and connected through internal public and administrative spaces.

The Palace of the Argentine National Congress (Palacio del Congreso) stands in the Congreso neighborhood of Buenos Aires. By subway take Buenos Aires Underground Line A to Congreso station (exit onto Avenida Rivadavia); the palace is immediately outside the station (a one‑minute walk).

Numerous city buses (colectivos) also serve Avenida Rivadavia and nearby streets; from the microcentro/downtown area the building is an easy walk.

• Check the official Congressional Palace visitor information and guided-tour schedule before you go-public tours are offered on weekdays and filling early in the morning reduces time spent in entrance queues.
• Arrive with photo ID and allow extra time for security screening; joining a guided tour is the easiest way to see interior highlights such as the main hall and legislative chamber that casual passersby miss.