Welsh National Assembly Electoral Region Boundaries as of December 2016

Digital vector boundaries for the National Assembly for Wales Electoral Regions, current as of 31 December 2016. The dataset contains four boundary versions, including full-resolution and generalised formats, and includes Ordnance Survey and ONS intellectual property. File sizes range from 61 KB for super generalised boundaries to 3 MB for full-resolution coastline-clipped versions.

Use Cases

• Map electoral region boundaries based on the provided full-resolution and generalised vector files.
• Analyze coastal and offshore administrative extents based on the 'extent of the realm' and 'clipped to coastline' boundary variants.
• Integrate Welsh electoral geography into larger UK spatial analyses based on the standardized boundary data.
• Visualize electoral regions for public information or research purposes based on the available geospatial formats.

Strengths

• Provides four specific boundary versions, including full-resolution and generalised (20m, 200m) options.
• Contains a specific snapshot date of 31 December 2016 for temporal consistency.
• Includes direct REST service URLs for ArcGIS INSPIRE View and Feature Download services.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Last updated 2026-07-08 13:33:22.616267; freshness should be verified.

Provenance

Source

Office for National Statistics

Collection Method

Likely digitized from official electoral boundary definitions.

Time Range

Snapshot as of 31 December 2016.

Freshness

Snapshot as of 31 December 2016; metadata last updated 2026-07-08.

Geography

Wales, United Kingdom.