Territory of Vatican City according to the Lateran treaties.

Castel Gandolfo and the Lake of Albano.

The properties of the Holy See in Italy are regulted by the 1929 Lateran Treaty signed with the Kingdom of Italy. They all have extraterritorial status¹.

Outside Vatican City but inside Rome

• Basilica of St. John Lateran (Basilica di San Giovanni in Laterano)
• Basilica of St. Mary Major (Basilica di Santa Maria Maggiore)
• Basilica of St. Paul outside the Walls (Basilica di San Paolo fuori le Mura), including the monastery
• Lateran Palace, University and adjoining buildings,
• Palace of St Callixtus (San Callisto)
• Certain Buildings on the Gianicolo Hill, namely the Pontifical Urbaniana University, the Pontifical North American College, and the Bambino Gesù hospital.
• Palace of the Holy Apostles attached to the Basilica dei Santi Apostoli.
• Palace attached to the Church of San Carlo ai Catinari
• Palazzo della Dataria near the Quirinal Palace.
• Palazzo della Cancelleria between the Corso Vittorio Emanuele and Campo de' Fiori.
• Palace of the Congregation for the Evangelization of Peoples ("Palazzo di Propaganda Fide") in the Piazza di Spagna.
• Palace of the Congregation for the Doctrine of the Faith in the Piazza del Sant'Uffizio and adjacent to the Basilica of St. Peter.
• Palace of the Congregation for the Oriental Churches (formerly Palace of the Convertendi in Piazza Scossacavalli), in Via della Conciliazione (rione of Borgo)
• Palace of the Vicariato in Via della Pigna off the Corso Vittorio Emanuele near the Piazza del Gesù
• Collegio Bellarmino in Via del Seminario near the Church of Sant'Ignazio.
• Pontifical Gregorian University facing on Piazza della Pilotta.
• Pontifical Biblical Institute on Piazza della Pilotta.
• Archaeological Institute, Pontifical Oriental Institute, Lombard College & the Russian College on Piazza Santa Maria Maggiore.
• The two Palaces of Sant'Apollinare between the Piazza Sant'Apollinare & Via della Serola.
• The House of Retreat for the Clergy of Saints John & Paul, including the Nympheum of Nero, on the Caelian Hill.
• Campo Santo Teutonico

Outside Rome

• Pontifical Palace, Villa Barberini and the Villa Cybo (plus adjacent gardens) in the town of Castel Gandolfo (around 55 hectares).
• Area of Santa Maria di Galeria, where the antennas of Radio Vaticana are located. The area was donated by Italy to the Holy See in the 1950s.

Each of those two areas are actually larger than Vatican City itself.

Ceded to the Holy See, but without extraterritorial status

• The Basilica of the Holy House (Santa Casa) at Loreto, Province of Ancona.
• The Basilica of St Francis at Assisi, Province of Perugia.
• The Basilica of St Anthony at Padua, Province of Padua.

References

External links

• Full text of the treaties