Location and coordinates are for the approximate centre of Llanfwrog within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Llanfwrog.-- par., Anglesey, in NW. of co., 3½ miles NE. of Holyhead, 2017 ac. (395 water), pop. 193.