# Ordnance Survey of Northern Ireland

> Defunct mapping agency of Northern Ireland

**Wikidata**: [Q7100893](https://www.wikidata.org/wiki/Q7100893)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ordnance_Survey_of_Northern_Ireland)  
**Source**: https://4ort.xyz/entity/ordnance-survey-of-northern-ireland