Other current and historical names
Location and coordinates are for the approximate centre of Llanarmon Dyffryn Ceiriog within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Llanarmon-Dyffryn-Ceiriog, par. and vil., Denbighshire, on river Ceiriog, 9 miles NW. of Oswestry, 9295 ac., pop. 287.