1. St. Peter's Square (Piazza San Pietro) in Rome is a magnificent square located in front of St. Peter's Basilica, one of the world's most famous churches and a major pilgrimage site for Catholics. The square was designed by Gian Lorenzo Bernini in the 17th century and features a stunning colonnade that symbolically embraces visitors in a gesture of welcome. At the center of the square stands an ancient Egyptian obelisk, brought to Rome in 37 AD by Emperor Caligula.

2. St. Peter's Square is an open public space and can be accessed at any time. However, if you wish to visit St. Peter's Basilica, the opening hours are from 7:00 AM to 7:00 PM from October to March, and from 7:00 AM to 6:30 PM from April to September. It is best to check the official website or contact the basilica for up-to-date information. The contact phone number is +39 06 69885812.

3. Entry to St. Peter's Square is free of charge, but if you wish to visit St. Peter's Basilica, there is no entrance fee. However, there may be long queues, so it is advisable to reserve a skip-the-line ticket in advance. To reach St. Peter's Square, you can use public transportation such as buses, trams, or the Metro. The closest Metro stop is Ottaviano-S. Pietro, on Line A.