Other current and historical names
Location and coordinates are for the approximate centre of Llanddeiniolen within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Llanddeiniolen, par. and vil., Carnarvonshire, in NW. of co.- par. (containing Llandinorwig), 9024 ac., pop. 6886; vil., 4 miles NE. of Carnarvon; P.O., called Llandeiniolen; slate quarrying is carried on; stone circle and vestiges of several ancient British fortifications are in the par.