Plaza de Mayo is the main square in Buenos Aires, Argentina, and has been the site of many significant historical events. The square is surrounded by important buildings, including the Casa Rosada (the presidential palace), the Buenos Aires Metropolitan Cathedral, and the Cabildo. Plaza de Mayo is a central location for political demonstrations and public gatherings. It is named after the May Revolution of 1810, which led to Argentina's independence from Spain. The square is a key destination for those interested in the country's history and culture.