Сан-Марко, or St. Mark's Basilica, is a famous cathedral located in Venice, Italy. It is known for its stunning architecture, which features a blend of Byzantine, Romanesque, and Gothic styles. The basilica is adorned with intricate mosaics and impressive domes, making it a significant landmark in the city. The basilica is dedicated to St. Mark, the patron saint of Venice. It houses the relics of St. Mark, which were brought to the city in the 9th century. Today, Сан-Марко attracts millions of visitors each year, who come to admire its beauty and historical significance.