Counties and Unitary Authorities (May 2023) Boundaries UK BUC

This file contains the digital vector boundaries for Counties and Unitary Authorities, in the United Kingdom, as at May 2023. The boundaries available are: (BUC) Ultra generalised (500m) - clipped to the coastline (Mean High Water mark). Contains both Ordnance Survey and ONS Intellectual Property Rights.

REST URL of Feature Access Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/Counties_and_Unitary_Authorities_May_2023_UK_BUC/FeatureServerREST URL of WFS Server –https://dservices1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/services/Counties_and_Unitary_Authorities_May_2023_UK_BUC/WFSServer?service=wfs&request=getcapabilitiesREST URL of Map Server –https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/Counties_and_Unitary_Authorities_May_2023_UK_BUC/MapServer

Data and Resources

Additional Info

Field	Value
Source	https://open-geography-portalx-ons.hub.arcgis.com/datasets/ons::counties-and-unitary-authorities-may-2023-boundaries-uk-buc
Last Updated	September 23, 2025, 06:04 (UTC)
Created	September 20, 2023, 22:05 (UTC)