Holy See of the East of Rome also claims the title of the Catholicos and the Holy Apostolic See of St. Thomas. Patriarch Mar Addai II, is the Catholicos of the Ancient Church of the East. The current Seat of the Catholicos of Ancient Church of the East is in Baghdad, Iraq. The official title of the Head & Father of the Syro-Malabar Catholic Church is "the successor to the Holy Apostolic See of St. Thomas and the Gate of All India". The church is headed by the Major Archbishop of Ernakulam-Angamaly, Cardinal Maran Mar George Alencherry. The current Seat of the Major Archiepiscopal Curia
Foreign relations of the Holy See is active in international organizations and is a member of the following groups: The Holy See is also a permanent observer of the following international organizations: The Holy See is an observer on an informal basis of the following groups: The Holy See sends a delegate to the Arab League in Cairo. It is also a guest of honour to the Parliamentary Assembly of the Organization for Security and Cooperation in Europe. Since 6 April 1964, the Holy See has been a "permanent observer state" at the United Nations. In that capacity, the Holy See has since had a standing