San Marco is the central most district and that which best represents the public life of Venice. Here the visitor finds the famous and busy square, site of San Marco Basilica with its magnificent bell-tower and the splendid Palazzo Ducale (Duke's Palace). The area is surrounded by the major points of interest and tourist sights of the city, together with prestigious historic cafés (Caffè Florian, Caffè Quadri), open-air orchestras and the elegant shops located under the Procurate arches.Beautiful buildings flank the south curve of the Grande Canal and indicate the district's limits, these include: Palazzo Mocenigo, Palazzo Grassi, Palazzo Barbaro, Palazzo Fasan, Palazzo Giustinian and Palazzo Contarini del Bovolo.