Other current and historical names
Location and coordinates are for the approximate centre of Gwalchmai within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Gwalchmai, vil., Trewalchmai par., Anglesey, 5 miles W. of Llangefni; P.O.