1. Piazza del Campo is the main public square in the historic city center of Siena, Italy. It is famous for its unique shell shape and is considered one of the most beautiful medieval squares in Europe. The square is surrounded by beautiful historic buildings, including the Palazzo Pubblico, which houses the city’s town hall, and the Torre del Mangia, a tall tower that offers panoramic views of the city.

The design of the square is said to resemble a shell, with nine sectors radiating from the center like the segments of a snail shell. The bricks in the square are laid out in a distinctive pattern, creating a beautiful and unique aesthetic.

Piazza del Campo is not only a beautiful square, but it is also a social and cultural hub for the city. It is a gathering place for locals and tourists alike, hosting a variety of events and festivals throughout the year. The most famous of these is the Palio di Siena, a traditional horse race that takes place twice a year around the edges of the square.

2. Piazza del Campo is an open public square and does not have specific working hours. It is accessible to visitors 24/7. If you need any information or assistance, you can visit the nearby tourist information center or contact the local tourist office. The phone number for the tourist office in Siena is +39 0577 292727.

3. Admission to Piazza del Campo is free as it is a public square. There are no tickets required to enter the square. Transportation to Siena can be by car, train, or bus. If arriving by car, there are parking areas available outside the city center. Siena is also well-connected by train and bus, with regular services from major cities in Italy. Once in Siena, the square is located in the heart of the city center and is easily accessible on foot.