Diocese of Baku and Azerbaijan
Diocese of Baku and Azerbaijan (, ) is a diocese of the Russian Orthodox Church in Azerbaijan. Majority of its members are ethnic Russians of Azerbaijan. Entire territory of Azerbaijan is under ecclesiastical jurisdiction of the "Russian Orthodox Eparchy of Baku and Azerbaijan", centered in the Holy Myrrhbearers Cathedral in Baku. The Church of Michael Archangel also exist in Baku. History. Historically, Azerbaijan used to be part of the Russian Empire and the USSR. The first Russian Orthodox church in Baku was built in 1815, two years after the Russo-Persian War (1804-1813) and the out  coming Treaty of Gulistan, by which Qajar Iran ceded swaths of its Caucasian territories to Russia, which included Baku. Russian Orthodox churches had been built in Ganja and Şamaxı previously. Since the entire region of Caucasus was under the Russian rule, jurisdiction of "Georgian Exarchate" was expanded, encompassing territories of modern-day Georgia, Armenia and Azerbaijan. In 1905, "Eparchy of Baku", nowadays "Baku and Caspian Eparchy", was established. In the spring of 1917, the Georgian Patriarchate was recreated, but only for the Georgian part of the Exarchate. Russian Orthodox Church and its exarch Platon (Rozhdestvensky) kept their jurisdiction over non -Georgian parts of the Caucasian region, and for those territories "Caucasian Exarchate" of the Russian Orthodox Church was created in the summer of 1917, with metropolitan Platon of Tbilisi and Baku as "Exarch of Caucasus". In the spring of 1918, he was succeeded by metropolitan Cyril (Smirnov) as new "metropolitan of Tbilisi and Baku", and "Exarch of Caucasus", but after his transfer to another post in the spring of 1920 no exarch was appointed. There used to be an Alexander Nevsky Cathedral in Baku. In the Soviet area, there was persecution of Christians. In 1944, a Russian Orthodox church was  reopened in Baku. In 2011, ecclesiastical jurisdiction of the local Russian eparchy (diocese) was adjusted to political borders of Azerbaijan, and official name was changed to "Russian Orthodox Eparchy of Baku and Azerbaijan".