County Antrim (Contae Aontroma in Irish) is one of the six counties that form Northern Ireland (United Kingdom). It belongs to the province of Ulster. Covering an area of 2,844 km², it has a population of approximately 566,000.
The traditional county town is Antrim. More recently, Ballymena was the seat of county government. (The counties of Northern Ireland ceased to be administrative entities in the 1970s, with the reorganization of local government there.) See the list of places in County Antrim for all villages, towns and cities.
|Counties of Ireland|
|Connacht: Galway (~City) | Leitrim | Mayo | Roscommon | Sligo|
|Munster: Clare | Cork (~City) | Kerry | Limerick (~City) | Tipperary (North~; South~) | Waterford (~City)|
|Leinster: Carlow | Dublin (~City; Dun Laoghaire-Rathdown; Fingal; South~) | Kildare | Kilkenny | Laois | Longford | Louth | Meath | Offaly | Westmeath | Wexford | Wicklow|
|Ulster: Antrim * | Armagh * | Cavan | Donegal | Down * | Fermanagh * | Londonderry * | Monaghan | Tyrone *|
* denotes counties in Northern Ireland (others are in the Republic of Ireland); italics denotes non-administrative counties; (parentheses) denotes non-traditional counties