OSNI Open Data: Northern Ireland District Electoral Area Boundaries (1993)

District Electoral Areas in Northern Ireland as polygon boundaries set in 1993. The data was extracted from the Ordnance Survey of Northern Ireland (OSNI) Large-scale database, topologically cleansed, and attributed to create a seamless dataset. It is published by the Government Digital Service under an Open Government Licence.

Use Cases

• Mapping historical electoral districts based on the 1993 boundary definitions.
• Conducting spatial analysis of administrative units based on the polygon dataset.
• Integrating boundary data into geographic information systems for historical reference.

Strengths

• Polygon dataset has been topologically cleansed for spatial consistency.
• Data is attributed and described as seamless, suggesting good integration.

Limitations

• Row count and dataset size are unknown, which may limit suitability assessment.
• Column-level documentation is absent; field semantics must be inferred after download.
• Last update date is unknown; freshness unverified.

Provenance

Source

Ordnance Survey of Northern Ireland (OSNI) Large-scale database.

Collection Method

Extracted, topologically cleansed, and attributed from source database.

Time Range

Boundaries set in 1993.

Freshness

null

Geography

Northern Ireland.