Holy See of the East the Church of the East after the Coonan Cross Oath and joined the Church of Antioch also claims the title of the Holy See of the East, since St. Thomas is also the founder of this churches. The Malankara Orthodox Syrian Church which evolved out of the Malankara Church as a part of the Oriental Orthodox Churches claims the title of the Catholicos of the East and the Holy Apostolic See of St. Thomas. The Malankara Syrian Catholic Church which evolved from the Malankara Church as a part of the Eastern Catholic Church in full communion with the Holy See
Foreign relations of the Holy See Church communities which are not accredited to the governments of the respective states and work only in an unofficial, non-diplomatic capacity. The regions and states where such non-diplomatic delegates operate are: Brunei, Comoros, Laos, Somalia, Vietnam, Jerusalem and the Palestinian territories (Palestine), Pacific Ocean (Tuvalu, dependent territories), Arabian Peninsula (Oman, foreigners in Saudi Arabia), Antilles (dependent territories), apostolic delegate to Kosovo (Republic of Kosovo) and the apostolic prefecture of Western Sahara (Sahrawi Arab Democratic Republic). The Holy See has no relations of any kind with the following states: The Holy See maintains 183 permanent diplomatic missions abroad, of which 73