San Antonio de Areco is a town in northern Buenos Aires Province, Argentina, and capital of the partido of San Antonio de Areco. It is located on the Areco River 113 km (70 mi) away from the Buenos Aires city, the country's capital.
The city is the home of the Museo Gauchesco Ricardo Güiraldes. Each year in November, the city holds the Día de la Tradición (Tradition Day) gaucho celebration. Since 2001, San Antonio de Areco is sister city of Laredo, Texas in the United States.