Dataset - data.gov.uk

Ward to Unitary Authority to Senedd Cymru Electoral Region (December 2022)...

A lookup file of wards to unitary authorities to Senedd Cymru electoral regions in Wales as at 31st December 2022. (File size - 176KB) Field Names - WD22CD, WD22NM, UA22CD,...
- HTML
- ArcGIS GeoServices REST API
- CSV
- ZIP
- GeoJSON
- KML
Ward to Unitary Authority to Senedd Cymru Electoral Region (December 2023)...

A lookup file of wards to unitary authorities to Senedd Cymru electoral regions in Wales as at 31st December 2023. (File size - 168KB) Field Names - WD23CD, WD23NM, WD23NMW,...
- HTML
- ArcGIS GeoServices REST API
- CSV
- ZIP
- GeoJSON
- KML
Ward to Unitary Authority to Senedd Cymru Electoral Region (December 2024)...

A lookup file of wards to unitary authorities to Senedd Cymru electoral regions in Wales as at 31st December 2024. (File size - 168KB) Field Names - WD24CD, WD24NM, WD24NMW,...
- HTML
- ArcGIS GeoServices REST API
- CSV
- ZIP
- GeoJSON
- KML

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