Donato Raffaele Sbarretti Tazza was an Italian Roman Catholic Cardinal whose career included pastoral service in Italy and Cuba, diplomatic service in America and the Pacific, and ultimately high office in the Roman Curia.

The Basilica of Saint Sylvester the First, also known as, is a Roman Catholic minor basilica and titular church in Rome dedicated to Pope Sylvester I. It is located on the Piazza San Silvestro, at the corner of Via del Gambero and the Via della Mercede, and stands adjacent to the central Post Office.