Basilica of Saint Paul

The Papal Basilica of St. Paul outside the Walls (Italian: Basilica Papale di San Paolo fuori le Mura), commonly known as St. Paul's outside the Walls, is one of Rome's four ancient, Papal, major basilicas: the Basilicas of St. John in the Lateran, St. Peter's, St. Mary Major, and St. Paul outside the Walls.