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National Assembly for Wales Electoral Regions (December 2015) Ultra Generalised Clipped Boundaries in Wales

Publisher
Office for National Statistics
Updated
8 July 2026
Topic
Mapping

Summary

This file contains the digital vector boundaries for National Assembly for Wales Electoral Regions. The boundaries available are:

  • Full resolution - extent of the realm (usually this is the Mean Low Water mark but in some cases boundaries extend beyond this to include off shore islands)
  • Full resolution - clipped to the coastline (Mean High Water mark)
  • Generalised (20m) - clipped to the coastline (Mean High Water mark)
  • Super generalised (200m) - clipped to the coastline (Mean High Water mark)
  • Ultra generalised (500m) - clipped to the coastline (Mean High Water mark).

Contains both Ordnance Survey and ONS Intellectual Property Rights.

Download File Sizes

  • Full resolution - extent of the realm (2 MB)
  • Full resolution - clipped to the coastline (3 MB)
  • Generalised (20m) - clipped to the coastline (349 KB)
  • Super generalised (200m) - clipped to the coastline (57 KB)
  • Ultra generalised (500m) - clipped to the coastline (23 KB).

REST URL of ArcGIS for INSPIRE View Service – https://ons-inspire.esriuk.com/arcgis/rest/services/Electoral_Boundaries/NAW_Electoral_Regions_December_2015_Boundaries_V2/MapServer/exts/InspireView
REST URL of ArcGIS for INSPIRE Feature Download Service – https://ons-inspire.esriuk.com/arcgis/rest/services/Electoral_Boundaries/NAW_Electoral_Regions_December_2015_Boundaries_V2/MapServer/exts/InspireFeatureDownload
REST URL of ArcGIS Feature Service – https://ons-inspire.esriuk.com/arcgis/rest/services/Electoral_Boundaries/NAW_Electoral_Regions_December_2015_Boundaries_V2/FeatureServer

Data links

Link Format Preview Updated
Shapefile ZIP 7/4/2018
KML KML 7/4/2018
CSV CSV Preview 7/4/2018
GeoJSON GEOJSON 7/4/2018

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Additional information

Source Metadata
XML, HTML
Harvest GUID
http://geoportal1-ons.opendata.arcgis.com/datasets/a0b319d1587249cbba0f4e333dc38a78_4

Contact

Enquiries

ons.geography@ons.gov.uk

Freedom of information (FOI) requests

FOI.Team@ons.gov.uk