Dataset - data.gov.uk

Output Area (2021) to PARNCP to LAD to RGN to CTRY (December 2025) Best Fit...

This file is a best fit lookup between Output Areas (2021), Civil Parishes/Non-Civil Parished Areas, Local Authorities, Counties/Unitary Authorities, Regions and Country in...
- HTML
- ArcGIS GeoServices REST API
- CSV
- ZIP
- GeoJSON
- KML

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