The Armenian Church
After the Resurrection of Our Lord Jesus Christ, as his words at Mat 28 (16-20)two disciples St. Thaddues & Bartholomew, are went to the their mission to the Eastern Anatolia arround 55 AD both disciples spreaded the new christian belief among the Armenian Apostolic Orthodox Church had becoma as a first church in the world, however known this transition periods were not that easy. St. Gregory The Illuminator punished by the King Dirtad because of his faith in Jesus Christ, he hs been fourteen yeras in the Deep Weel as a imprisoned. Then his miraculous emancipation from the punishment Armenian Christians had prosperity to have parcticing their belief, St. Gregort The Illıminator ordained as bishop at the Caesare in Cappadocia, then he became the First Denominator Pionner of Armeniansin the world, by the time before Armenian Church recognized and founded by the state The King Dirtad and his royal family baptized and became christian by the St. Gregory The Illıminator in 301. There are alsı other Oriental Orthodox Churches in the world Coptic, Eritrean, Ethpian, Indian and Syriac Orthodox Churches as well.

The Armenian Patriarchate
The Armenian Patriarchate of Istanbul is one of the four patriarchal sees of the worldwide Armenian Churchi the three others being the Catholicossal Mother See of Holy Etchmiadzin (Armenia), the Catholicossal See of Cilicia in Antelias (Lebanon) and the Apostolic Patriarchal See of Jerusalem in the Holy Land. 73 Armenian Orthodox archbishops and bishops continue to serve in 52 Armenian eparchies in world. The history of the Armenian church community in Istanbul dates back to the fourth century A.D. when Armenian monks frequented and later established themselves in the newly founded monastic communities on the outskrits of the Eastern Roman capital. Following the historic visit of the inventor of Armenian alphabet, Saint Mesro (362-440), to Byzantium, the first expressly Armenian community of monks and scribes was founded in fifth century and since then there has always been an Armenian church community in Istanbul. The Armenian bishopric of Istanbul was established during tha Latin Kingdom of Byzantium in the 13th century. Following the conquest of Istanbul by the Ottoman Turks (1453), Sultan mehmed II the Conqueror, recognised Hovagim. I. Archbishop of Bursa, as the Patriarch for all Oriental Orthodox Christians in the Ottoman Empire (1461), thereby founding the Armenian Patriarchate of Istanbul. On the eve of the First World War, the ecclesiastical jurisdiction of this Patriarchal See extended from Eastern Anatolia to northern Africa, and from Thrace to Europe and further West to the newly establised Armenian communities in America. Today, the Patriarchal See provides spiritual leadership to the Armenian church communities in Turkey and the Island of Crete, while preserving cordial ties with the hundres of thousands of expatriate Anatolian Armenians throughout the Armenian Diaspora. His Beatitude Mesrob II who was enthroned on 21 November 1998, is the 84th Armenian Patriarch of Istanbul.

Holy Mother-Of-God Patriarchal Church
The headquarters of the Patriarchal See moved from Samatya to its present location in Kumkapi in 1641, the Holy mother-of-god Church across the street thus becoming Patriarchal Cathedral Church. The sacred fountain of Saint Thedoros, in a grotto underneath the church, attest to the fact that this was initally a Byzantine church. The church was destroyed by the great Istanbul fires of 1645, 1718 and 1826, each time being reopened following restoration.

The Church was wholly reconstructed by the philantrophist Harutyun Amira Bezciyan, under the supervision of the imperial architects Krikor Amira Balyan and Devlet Garabet and the new cathedral was consecrated and dedicated to the glory of God on 14 October 1828. The belfry and some parts of the church were damaged by the earthquake of 17 August 1999 but were completely renovated in 2000.