Dioceses of the Church of the East, 1318–1552
Dioceses of the Church of the East, 1318–1552 were metropolitan provinces and dioceses of the Church of the East, during the period from 1318 to 1552. They were far fewer in number than during the period of the Church's greatest expansion in the tenth century.
Source: Wikipedia — Dioceses of the Church of the East, 1318–1552 (CC BY-SA 4.0)