The most famous castle in Northern Ireland is Hillsborough Castle, ranked #556 of 7,738 in the world — followed by Dunluce Castle and Belfast Castle.
The Castlemap atlas charts 17 castles, 2 fortresses, 7 palaces & châteaux and 10 ruins in Northern Ireland. They span more than 10 centuries — from Clough Castle (founded 1000) to Gosford Castle (2006). Every one is plotted with its photo and story on the interactive castle map of Northern Ireland.
Map of castles in Northern Ireland
On the map they cluster thickest around Belfast — 29 within a 100 km day trip, then Derry (25). The northernmost is Dunseverick Castle, the southernmost Moyry Castle — about 129 km apart.
Planning a visit? Day-trip guides: Castles near Belfast · Castles near Derry.
See them on the map →When they were built
Of the 36 landmarks mapped in Northern Ireland, 28 carry a sourced founding date. Most were founded in the 17th century — 7 of them. 7 predate 1500 and 12 were built after 1700.
































