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