County Offaly population. It is the largest county by area and the third largest by population in the Midlands. Lusmagh Tullamore is the county town and largest town in Offaly and is the 30th largest in Ireland. Offaly borders seven counties: Galway, Roscommon, Tipperary, Laois, Westmeath, Kildare and Meath. The Slieve Bloom Mountains are in the southern part of the county on the border with County Laois. Offaly has the 24th highest county peak in Ireland. The highest point is Arderin () in the Slieve Blooms at . The Slieve Bloom Mountains contain the county's highest points including Stillbrook Hill and Wolftrap
Irish Army responsibility which includes the counties of Carlow, Cork, Galway, Kerry, Kilkenny, Laois, Limerick, Offaly, Tipperary, Waterford and Wexford. Units of the 1st Brigade include: The 2nd Brigade is headquartered in Cathal Brugha Barracks, Dublin, and has an area of territorial responsibility which includes the counties of Cavan, Donegal, Dublin, Kildare, Leitrim, Louth, Mayo, Meath, Monaghan, Sligo, Westmeath and Wicklow. Units of the 2nd Brigade include: In addition to the two brigades in the Army, there is the Defence Forces Training Centre (DFTC). This element is responsible for providing professional training to the Irish Army through three separate colleges: There are