Dioceses of the Church of the East to 1318 to represent them. None of these four dioceses is mentioned again, and it is not clear when they lapsed. By the end of the 5th century there were at least three East Syriac dioceses in the Sassanian province of Media in western Iran. Canon XXI of the synod of Isaac in 410 foreshadowed the extension of the metropolitan principle to the bishops of Beth Madaye and other relatively remote regions. Hamadan (ancient Ecbatana) was the chief city of Media, and the Syriac name Beth Madaye (Media) was regularly used to refer to the East Syriac diocese of Hamadan as well
Ancient City of Damascus are exposed because of the Syrian Civil War. Lying on the south bank of Barada River, the ancient city was founded in the 3rd millennium B.C. The horizontal diameter of the oval is about 1.5 km (0.9 mi) which is known as Damascus Straight Street, while the vertical diameter () is about 1 km (0.6 mi). With an approximate area of 86.12 hectares (212.8 acres; 0.86 km2), the ancient city was enclosed within a historic wall of 4.5 km (2.8 mi) in circuit that was mainly built by the Romans, then fortified by the Ayyubids and Mamluks. The first mentioning