Location and coordinates are for the approximate centre of Llandysilio within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Llandysilio, par. and vil., Montgomeryshire, in NE. of co., on Offa's Dyke and river Vyrnwy, 7 m. SW. of Oswestry, 3141 ac., pop. 611.