National Assembly for Wales Electoral Regions, December 2015 Boundaries

Digital vector boundaries for the National Assembly for Wales Electoral Regions, published by the Office for National Statistics. Five boundary versions are available, ranging from full resolution to ultra generalised (500m), with file sizes from 23 KB to 3 MB. The data contains both Ordnance Survey and ONS Intellectual Property Rights.

Use Cases

• Map electoral region boundaries based on the provided vector data.
• Conduct spatial analysis of Welsh constituencies based on the clipped coastline boundaries.
• Create simplified visualizations for web maps using the generalised (20m, 200m, 500m) boundary files.

Strengths

• Provides five distinct boundary versions, including full resolution and multiple generalised (20m, 200m, 500m) options.
• File sizes are explicitly listed, ranging from 23 KB for ultra generalised to 3 MB for full resolution clipped.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Office for National Statistics

Time Range

December 2015

Freshness

Last updated 2026-07-08 13:33:22.911850; freshness should be verified.

Geography

Wales