Christine Gilbert The main square in San Telmo, Plaza Dorrego, acts as the nucleus for the famous Feria de San Telmo (San Telmo Street Fair) every Sunday. Here you can find more than 250 stalls ...
Visit Plaza Dorrego where professional tango dancers perform for those dining alfresco in the square's cafes, and descend into the Zanjón de Granados, the neighborhood's underground tunnels.