Dataset - data.gov.uk

Ward to Unitary Authority to National Assembly for Wales Electoral Region...

A lookup file of wards to unitary authorities to National Assembly for Wales electoral regions in Wales as at 31 December 2017. (File size - 56KB)Field Names - WD17CD, WD17NM,...
- HTML
- Esri REST
- GeoJSON
- CSV
Ward to Unitary Authority to National Assembly for Wales Electoral Region...

A lookup file of wards to unitary authorities to National Assembly for Wales electoral regions in Wales as at 31st December 2018. (File size - 48KB) Field Names - WD18CD,...
- HTML
- Esri REST
- GeoJSON
- CSV
Ward to Unitary Authority to National Assembly for Wales Electoral Region...

A lookup file of wards to unitary authorities to National Assembly for Wales electoral regions in Wales as at 31st December 2019. (File size - 48KB) Field Names - WD19CD,...
- HTML
- Esri REST
- GeoJSON
- CSV

You can also access this registry using the API (see API Docs).