The Holy See, the central governing body of the Catholic Church and sovereign entity recognized by international law, consisting of the Pope and the Roman Curia.
A metonym for the Catholic Church, particularly when attributing doctrine
Roman Curia, the administrative apparatus of the Holy See
Vatican Library, of the Roman Curia
Vatican Secret Archives, which were separated from the Vatican Library in the 17th century
Vatican Publishing House, the publisher of official documents of the Holy See, separated from the Vatican Library in 1926
Vatican Hill, a hill in Rome, after which the Vatican is named, on the opposite side of the Tiber from the traditional seven hills of Rome
Vatican City, the territory on the Vatican Hill in Rome under the sovereignty of the Holy See created by the 1929 Lateran Treaty
Apostolic Palace, the official residence of the Pope on the Vatican Hill (sometimes referred to as the Vatican Palace)
St. Peter's Basilica, also known as the Vatican Basilica, the principal church on the Vatican Hill
Vatican Museums, which contain cultural wealth of the Vatican
Vatican watcher, a journalist who reports news concerning the Holy See and the Roman Curia