You can find the List of Standardised Welsh Place-names here.
We have also developed an API that may be of interest to software developers - please contact us to discuss. Further information about the licence and copyright can be found at the bottom of this page.
The Place-names Standardisation Panel follows national guidelines whilst standardising place-names. You can see them here:
Download the Guidelines for Standardising Place-names in Wales
© Welsh Language Commissioner (2018)
This list is licenced under the Open Government Licence 3.0 except where otherwise stated.
Contains OS data © Crown copyright and database right 2018.