1. St. Mark's Square (Piazza San Marco), located in the heart of Venice, is one of the most famous and iconic squares in the world. Surrounded by beautiful historic buildings, including St. Mark's Basilica, the Doge's Palace, and the Clock Tower, the square has been the center of Venetian social, religious, and political life for centuries. Visitors can admire the stunning architecture, listen to live music, and watch the famous pigeons that flock to the square.

2. St. Mark's Square is open to visitors at all hours. However, many of the surrounding attractions have specific opening and closing times. It is recommended to check the opening hours of individual attractions before planning your visit. For more information, you can contact the tourist office at +39 041 529 8744.

3. Entry to St. Mark's Square is free of charge. However, there may be charges for visiting specific attractions within the square, such as St. Mark's Basilica and the Doge's Palace. Tickets can be purchased on-site or online. Transport to St. Mark's Square is mainly by foot, as vehicles are not allowed in the historic center of Venice. Visitors can also take a vaporetto (water bus) to the nearest stop and walk from there.