The eparchy was established by
Pope Pius VIII on 6 July 1830. The eparchy was combined with the
Armenian Catholic Patriarchate of Cilicia from 1866 until 1928 and was the patriarch's see, based in Istanbul. When the patriarchal seat was moved to
Beirut,
Lebanon, the current
archeparchy was erected on 15 October 1928. On 21 March 2015, it was made known that the
Patriarch of Cilicia of the Armenians, with the consent of the
Synod of Bishops of the Patriarchal Church, and after having informed the
Holy See, had accepted the resignation of Archbishop
Hovhannes Tcholakian. Mons.
Boghos Lévon Zékiyan was then elected Archbishop of Istanbul by the Synod of Bishops of the Patriarchal Church of Armenia. On the 21 October 2024, The Synod of the Church of Cilicia of the Armenians has accepted the resignation from the pastoral care of the archeparchy of Istanbul of the Armenians, presented by Archbishop Lévon Boghos Zékiyan, and has appointed the Reverend Archpriest Vartan Kirakos Kazanjian, until now protosyncellus of the same archeparchy, as eparchial archbishop of Istanbul of the Armenians, Turkey. In 2008 there were 3,650 Armenian Catholics belonging to the diocese. Cathédrale arménienne catholique (interieur).JPG|Cathedral interior ==See also==