Location and coordinates are for the approximate centre of Llanfair Dyffryn Clwyd within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Llanfair-Dyffryn-Clwyd, par. and vil., Denbighshire - par. (partly in bor. of Ruthin), 7488 ac., pop. 1117; vil., 2 miles SE. of Ruthin; P.O.