Location and coordinates are for the approximate centre of Llanerfyl within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Llanerfyl, par. and vil., Montgomeryshire - par., 16,255 ac., pop. 788; vil., on river Banw, 5 miles NW. of Llanfair; P.O.