The Palazzo della Cancelleria in Rome is located in Piazza della Cancelleria, between Corso Vittorio Emanuele II and Campo de’ Fiori. Even today it welcomes the tribunals of the Holy See: the Apostolic Penitentiary, the Apostolic Signatura and the Roman Rota. The palace, built between 1485 and 1513, is now one of the properties of the Holy See.
Amazing are the underground that “guard” a small lake, as well as the Roman tomb of Aulio Irzio, completely submerged by the water of a water table. For the concordat between the Kingdom of Italy and the Papal States concluded in 1929, the palace enjoys the privileges of extraterritoriality.