OSNI Open Data - 50K Boundaries - NI Outline
type: Dataset
description: Mid scale vector polygon dataset of NI Outline. Published here for OpenData. By download or use of this dataset you agree to abide by the LPS Open Government Data Licence. Please Note for Open Data NI Users: Esri Rest API is not Broken, it will not open on its own in a Web Browser but can be copi...
description: Mid-scale vector polygon dataset showing the outline of Northern Ireland, published by Ordnance Survey Northern Ireland (OSNI) as part of Open Data NI. The dataset is made available under the LPS Open Government Data Licence and can be accessed via an Esri REST API, which requires a compatible GIS client rather than opening directly in a web browser. It provides a boundary reference layer suitable for mapping and geographic analysis of Northern Ireland at a national scale.
landing page: https://data.gov.uk/dataset/osni-open-data-50k-boundaries-ni-outline3
spatial: GBR
access rights: PUBLIC
distribution: KML
distribution: CSV
distribution: GeoJSON
distribution: Shapefile
distribution: OGC WMS
distribution: Esri Rest API
issued: 2026-07-09T09:18:59.279Z
modified: 2026-08-23T11:46:49.846Z
is part of: catalog

KML
type: Distribution
access URL: https://osni-spatialni.opendata.arcgis.com/datasets/c55271de58434719b3248e4e3c2e9bb0_0.kml
download URL: https://osni-spatialni.opendata.arcgis.com/datasets/c55271de58434719b3248e4e3c2e9bb0_0.kml
media type: vnd.google-earth.kml+xml
format: KML

CSV
type: Distribution
access URL: https://osni-spatialni.opendata.arcgis.com/datasets/c55271de58434719b3248e4e3c2e9bb0_0.csv
download URL: https://osni-spatialni.opendata.arcgis.com/datasets/c55271de58434719b3248e4e3c2e9bb0_0.csv
media type: https://www.iana.org/assignments/media-types/text/csv
format: CSV

GeoJSON
type: Distribution
access URL: https://osni-spatialni.opendata.arcgis.com/datasets/c55271de58434719b3248e4e3c2e9bb0_0.geojson
download URL: https://osni-spatialni.opendata.arcgis.com/datasets/c55271de58434719b3248e4e3c2e9bb0_0.geojson
media type: vnd.geo+json
format: GEOJSON

Shapefile
type: Distribution
access URL: https://osni-spatialni.opendata.arcgis.com/datasets/c55271de58434719b3248e4e3c2e9bb0_0.zip
download URL: https://osni-spatialni.opendata.arcgis.com/datasets/c55271de58434719b3248e4e3c2e9bb0_0.zip
media type: https://www.iana.org/assignments/media-types/application/zip
format: SHP

OGC WMS
type: Distribution
access URL: https://services.spatialni.gov.uk/opendata/services/OSNIVector/OSNIOpenData_Boundaries_50K/MapServer/WMSServer
media type: vnd.ogc.wms xml
format: wms

Esri Rest API
type: Distribution
access URL: https://services.spatialni.gov.uk/opendata/rest/services/OSNIVector/OSNIOpenData_Boundaries_50K/MapServer/0
download URL: https://services.spatialni.gov.uk/opendata/rest/services/OSNIVector/OSNIOpenData_Boundaries_50K/MapServer/0
media type: https://www.iana.org/assignments/media-types/application/json
format: JSON