This file contains the digital vector boundaries for Counties and Unitary Authorities (also known as Upper Tier Local Authorities) in England and Wales, as at 31 December 2017. The boundaries available 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_(December_2017)_EW_BUC/MapServerREST URL of ArcGIS for INSPIRE Feature DownloadService – https://dservices1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/services/Counties_and_Unitary_Authorities_December_2017_EW_BUC/WFSServer?service=wfs&request=getcapabilitiesREST URL of Feature Access Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/Counties_and_Unitary_Authorities_December_2017_EW_BUC_2022/FeatureServer