Other current and historical names
Location and coordinates are for the approximate centre of Llanwddyn within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Llanwddyn, par. and vil., Montgomeryshire, in N. of co.- par., 20,190 ac., pop. 453; vil., 10 miles NW. of Llanfyllin; P.O., and P.O. at Llanwddyn Reservoir.