This file contains the digital vector boundaries for Local Authority Districts in Great Britain, 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. Download File SizesUltra generalised (500m) - clipped to the coastline (434 KB).REST URL of ArcGIS for INSPIRE Feature DownloadService – https://dservices1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/services/Local_Authority_Districts_December_2017_Boundaries_GB_BUC/WFSServer?service=wfs&request=getcapabilitiesREST URL of Feature Access Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/Local_Authority_Districts_December_2017_Boundaries_GB_BUC_2022/FeatureServerREST URL of ArcGIS for INSPIRE View Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/Local_Authority_Districts_(December_2017)_Boundaries_GB_BUC/MapServer