Dataset - data.gov.uk

Ward to Unitary Authority to Senedd Cymru Constituency (December 2023) Lookup in WA

This is a lookup file between wards and Senedd Cymru constituencies in Wales as at 31st December 2023. (File size - 184KB)Field Names - WD23CD, WD23NM, WD23NMW, UA23CD, UA23NM,...
- HTML
- ArcGIS GeoServices REST API
- CSV
- ZIP
- GeoJSON
- KML
Ward to Unitary Authority to Senedd Cymru Constituency (December 2025) Lookup in WA

This is a lookup file between wards and Senedd Cymru constituencies in Wales as at 31st December 2025. (File size - 184KB) Field Names - WD25CD, WD25NM, WD25NMW, UA25CD,...
- HTML
- ArcGIS GeoServices REST API
- CSV
- ZIP
- GeoJSON
- KML

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