Location and coordinates are for the approximate centre of Llangian within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Llangian, par., Carnarvonshire, in SW. of co., 6 miles SW. of Pwllheli, 4835 ac. (330 water), pop. 1087.