
We provide advice on the standard forms of Welsh place-names to individuals and organisations of all kinds. 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 below.

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.
Why standardise place-names?
Place-names standardisation panel
The Welsh Language Commissioner’s Place-names Standardisation Panel includes specialists in the fields of place-names and Welsh orthography. The Panel follows specific guidelines to form its recommendations on the standard forms of place-names and provides the Commissioner with independent advice on related matters.