There were three main concentrations of East Syrian villages in the ʿAmadiya region: in the Sapna valley to the west of ʿAmadiya, in the Tigris plain around Dohuk, and in the Shemkan district, around the valley of the Gomel river.
The bishop Shlemun 'of Nuhadra' was one of eleven named bishops listed in the acts of the synod of Dadishoʿ in 424 as having been reproved at the synods of Isaac in 410 and Yahballaha I in 420 [REF].