Location and coordinates are for the approximate centre of Henllan within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Henllan, par. and vil., Denbighshire - par. (partly in bor. of Denbigh), 14,825 ac., pop. 2815; pop. of burghal part, 1808; vil., 2½ miles NW. of Denbigh; P.O.