Location and coordinates are for the approximate centre of Ystradowen within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Ystradowen, par. and ry. sta., Glamorgan, 2¼ miles NE. of Cowbridge, 1568 ac., pop. 222; has traces of a seat of Prince Owen ab Cyllin, the annual meeting-place of the bards until 1720.