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OSNI Open Data - Largescale Boundaries - NI Outline

Publisher
OpenDataNI
Updated
18 November 2025
Topic
Not set

Summary

The OSNI Largescale NI Outline is a polygon dataset consisting of the land area of Northern Ireland. The data has been derived from OSNI Largescale and has been topologically cleansed and attributed to create a seamless dataset.

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Data links

Link Format Preview Updated
GeoJSON (21 MB) GEOJSON – 12/11/2025
CSV (0 KB) CSV Preview 12/11/2025
KML (17 MB) KML – 12/11/2025
Shapefile (4 MB) ZIP – 12/11/2025

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Additional information

Source Metadata
XML, HTML

Contact

Enquiries

opendatani@nidirect.gov.uk

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