This file contains the digital vector boundaries for Counties and Unitary Authorities in the United Kingdom, as at April 2019. The BUC boundaries are ultra generalised (500m) - clipped to the coastline (Mean High Water mark). Contains both Ordnance Survey and ONS Intellectual Property Rights.REST URL of ArcGIS for INSPIRE View Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/Counties_and_Unitary_Authorities_(April_2019)_Ultra_Generalised_Boundaries_UK/MapServerREST URL of ArcGIS for INSPIRE Feature DownloadService – https://dservices1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/services/Counties_and_Unitary_Authorities_April_2019_Ultra_Generalised_Boundaries_UK/WFSServer?service=wfs&request=getcapabilitiesREST URL of Feature Access Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/Counties_and_Unitary_Authorities_April_2019_Ultra_Generalised_Boundaries_UK_2022/FeatureServer