Qochanis, also Qudshanes or Kotchanes, a town to the North of Hakkari in the Southeastern corner of present Turkey, near the Greater Zab River, was the seat of the patriarchs of the Church of the East from the Seventeenth Century until 1915. Hakkâri, formerly Çölemerik, is the capital city of the Hakkâri il, Turkey. ... The Greater Zab River is a river found in northern Iraq and southeastern Turkey. ... The Assyrian Church of the East is a church that traces its origins to the See of Babylon, said to be founded by Saint Thomas the Apostle. ... (16th century - 17th century - 18th century - more centuries) As a means of recording the passage of time, the 17th century was that century which lasted from 1601-1700. ... 1915 was a common year starting on Friday (see link for calendar). ...