Location and coordinates are for the approximate centre of Llandegfan within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Llandegfan, par. and vil., Anglesey, 2 miles SW. of Beaumaris, 2760 ac. (528 water), pop. 1051; P.O.