Other current and historical names
Location and coordinates are for the approximate centre of Llanystumdwy within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Llanystymdwy, par. and vil., Carnarvonshire, in S. of co., on river Dwy, 2 miles SW. of Criccieth, 6780 ac. (258 water), pop. 1151; P.O.