Location and coordinates are for the approximate centre of Caersws within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Caersws, hamlet with ry. sta., Llanwnog par., S. Montgomeryshire, 6 miles NW. of Newtown; P.O.