It is situated mainly in the historic barony of Castlereagh Upper , with 4 townlands in the barony of Castlereagh Lower .
Knockbreda is a civil parish in County Down , Northern Ireland .
Knockbreda is situated mainly in the historic barony of Castlereagh Upper , with 4 townlands in the barony of Castlereagh Lower .
Knockbreda is a civil parish in County Down , Northern Ireland .