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Gwrtheyrnion is now part of POWYS District. Click here for graphs and data of how POWYS has changed over two centuries. For statistics about Gwrtheyrnion itself, go to Statistics.
How to reference this page:
GB Historical GIS / University of Portsmouth, History of Gwrtheyrnion, in Powys and Radnorshire | Map and description, A Vision of Britain through Time.
URL: https://www.visionofbritain.org.uk/place/31072
Date accessed: 08th 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 "Gwrtheyrnion".
