Location and coordinates are for the approximate centre of Llanglydwen within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Llanglydwen, par. with ry. sta., Carmarthenshire, in W. of co., on river Taf, 8 miles NW. of Whitland, 1834 ac., pop. 298.