 It is coterminous with the Dyffryn electoral ward, which is bounded to the north by Allt-Wen ward; to the east by Bryncoch North and Bryncoch South; to the south by Neath East; to the southwest by Coedffranc North and Coedffranc Central; and to the west by the wards of Llansamlet and Clydach (both in Swansea).Dyffryn ward elects a county councillor to Neath Port Talbot County Borough Council.Dyffryn Clydach has its own community council, made up of thirteen councillors.