Coverage stretches from the hills of Moel Gyffylog, Mwdwl Eithin, Moel Seisiog and Cefn Rhydd eastward to Bodfari, and from St Asaph southward to Gyffylliog and Moel Llyn. Much of the south and west of the map is of the Denbigh Uplands, with the more populated area north and east, including the two towns on the map, Denbigh and St Asaph.