This file contains the digital vector boundaries for Counties and Unitary Authorities in England and Wales, as at December 2018. 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. Download File SizesUltra generalised (500m) - clipped to the coastline (120 KB)REST URL of ArcGIS for INSPIRE View Service – https://ons-inspire.esriuk.com/arcgis/rest/services/Administrative_Boundaries/Counties_and_Unitary_Authorities_December_2018_Boundaries_EW_BUC/MapServer/exts/InspireView REST URL of ArcGIS for INSPIRE Feature Download Service – https://ons-inspire.esriuk.com/arcgis/rest/services/Administrative_Boundaries/Counties_and_Unitary_Authorities_December_2018_Boundaries_EW_BUC/MapServer/exts/InspireFeatureDownloadREST URL of Feature Access Service – https://ons-inspire.esriuk.com/arcgis/rest/services/Administrative_Boundaries/Counties_and_Unitary_Authorities_December_2018_Boundaries_EW_BUC/FeatureServer