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OSNI Open Data Largescale Boundaries – Townlands

Publisher
OpenDataNI
Updated
8 July 2026
Topic
Mapping

Summary

The OSNI Large-scale boundaries is a polygon dataset consisting of the Townland boundaries.Townlands are anancient method of land measurement found only in Ireland and can be very important in genealogical research. These small areas of land can vary in size from a few acres upwards. The data has been extracted from OSNI Largescale database and has been topologically cleansed and attributed to create a seamless dataset.This service is published for OpenData. By download or use of this dataset you agree to abide by the LPS Open Government Data Licence.

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Data links

Link Format Preview Updated
CSV CSV Preview 11/12/2015
GeoJSON GEOJSON – 11/12/2015
KML KML – 11/12/2015
Shapefile ZIP – 11/12/2015

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Additional information

Source Metadata
XML, HTML
Date added
11 December 2015
Harvest GUID
http://osni.spatial-ni.opendata.arcgis.com/datasets/1ccf476d60654ecb8cd422eaee024fbf_6

Contact

Enquiries

opendatani@nidirect.gov.uk

More from this publisher

All datasets from OpenDataNI