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
Liye Ancient City Liye Qin Slips Museum and the Ruins Park were officially opened on October 28, 2010. In June 1985, a group of bricklayers digging to make bricks excavated ancient potteries and weapons, the archaeologists had gradually carried out archaeological excavations there since then. As part of the Wanmipo Hydropower station () construction, the archaeologists from Hunan Provincial Institute of Cultural Relics and Archaeology () and the local archaeological units started a rescue excavation for the site of ancient cultural remains in Liye on April 17, 2002, the ancient city gradually revealed. In the ancient city ruins, there are a moat, a