Hillsborough Castle is one of Northern Ireland's most important historic residences and the official residence of the British monarch when visiting the region. Built in the 18th century as a Georgian mansion, it became closely connected with political history in Northern Ireland.
Hillsborough Castle is one of Northern Ireland's most important historic residences and the official residence of the British monarch when visiting the region. Built in the 18th century as a Georgian mansion, it became closely connected with political history in Northern Ireland. Visitors can explore the elegant state rooms, gardens and surrounding woodland walks. The beautifully maintained grounds provide a peaceful contrast to the region's more dramatic ruined castles. While not a medieval fortress, Hillsborough Castle is notable for its royal connections, architecture and role in Northern Ireland's modern political story.