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In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Trefeiliw like this:
TREFEILIW, a township in Llanrhaiadr-yn-Moch-nant parish, Denbigh; 4 miles NNW of Llanfyllin. Pop., 147.
Trefeiliw is now part of POWYS District. Click here for graphs and data of how POWYS has changed over two centuries. For statistics about Trefeiliw itself, go to Statistics.
How to reference this page:
GB Historical GIS / University of Portsmouth, History of Trefeiliw, in Powys and Denbighshire | Map and description, A Vision of Britain through Time.
URL: https://www.visionofbritain.org.uk/place/23239
Date accessed: 09th April 2026
Click here for more detailed advice on finding places within A Vision of Britain through Time, and maybe some references to other places called "Trefeiliw".
