Location and coordinates are for the approximate centre of Trefilan within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Trefilan, par., Cardiganshire, 6 miles NW. of Lampeter, 2201 ac., pop. 273; contains Talsarn.