It generally is taken to include North Down, Lisburn, Castlereagh and parts of South Antrim. North Down Borough Council is a Local Council in County Down in Northern Ireland. ... Lisburn (Lios na gCearrbhach in Irish) is a city split between County Antrim & County Down, Northern Ireland. ... For the statesman commonly called Castlereagh, see Robert Stewart, Viscount Castlereagh Castlereagh Borough Council is a Local Council in Northern Ireland. ... South Antrim is a Parliamentary Constituency in the House of Commons and also an Assembly constituency in the Northern Ireland Assembly. ...
Belfast became the centre of Irish unionism, and in 1922 it was declared the capital of Northern Ireland after Ireland was partitioned into Northern Ireland and the Irish Free State (later to become the Republic of Ireland, when it withdrew from the Commonwealth in 1949).
Belfast became the centre of Irish Protestantism, and in 1922 it was declared the capital of Northern Ireland after Ireland was partitioned into Northern Ireland and the Irish Free State (later to become the Republic of Ireland, when it withdrew from the British Commonwealth in 1949).