An episcopal see whose foundation derives from one of the apostles efforts.

The five major sees

Rome, in Italy (Saint Peter and Paul the Apostle)

Constantinople, now Istanbul in present-day Turkey (Saint Andrew)

Alexandria, in present-day Egypt (Saint Mark the Evangelist)

Antioch, in present-day Turkey (Saint Peter)

Jerusalem, in the Holy Land (Saint Peter and Saint James)

There are also some other minor sees that claim their origins begin with Apostles and claim their right to be called an Apostolic See.

Other Claims

Aquileia, in northeastern Italy (Mark the Evangelist)

Archdiocese of Athens, Greece (Saint Paul)

Armenian Apostolic Church (Thaddeus (Jude the Apostle) and Bartholomew the Apostle)

Corinth, in Greece (Saint Paul)

Ephesus, in present-day Turkey (John the Apostle)

Malta (Saint Paul)

Paphos, in Cyprus (Barnabas and Paul)

Philippi, in Greece (Saint Paul)

Saint Thomas Christians (Thomas the Apostle)

See of Milan, in northwestern Italy (Barnabas the Apostle)

See of Syracuse, in Sicily (Saint Peter)

Seleucia-Ctesiphon, in present-day Iraq (Thomas the Apostle, Bartholomew the Apostle, and Thaddeus of Edessa)

Thessaloniki, in Greece (Saint Paul)