The 1st Brigade (1 BDE) () is a

brigade A brigade is a major tactical military unit, military formation that typically comprises three to six battalions plus supporting elements. It is roughly equivalent to an enlarged or reinforced regiment. Two or more brigades may constitute ...

of the

Irish Army The Irish Army () is the land component of the Defence Forces (Ireland), Defence Forces of Republic of Ireland, Ireland.The Defence Forces are made up of the Permanent Defence Forces – the standing branches – and the Reserve Defence Forces. ...

. The brigade, which was known as 1st (Southern) Brigade until the 2012 reorganisation of the army, has its headquarters in

Collins Barracks Collins Barracks () is a former military barracks in the Arbour Hill area of Dublin, Ireland. The buildings now house the National Museum of Ireland – Decorative Arts and History. Previously housing first British Armed Forces and later Iri ...

Cork "Cork" or "CORK" may refer to: Materials * Cork (material), an impermeable buoyant plant product ** Stopper (plug), or "cork", a cylindrical or conical object used to seal a container *** Wine cork an item to seal or reseal wine Places Ireland * ...

. The 1st Brigade is responsible for military operations in the south of

Ireland Ireland (, ; ; Ulster Scots dialect, Ulster-Scots: ) is an island in the North Atlantic Ocean, in Northwestern Europe. Geopolitically, the island is divided between the Republic of Ireland (officially Names of the Irish state, named Irelan ...

. Its area of responsibility includes the counties of

Galway Galway ( ; , ) is a City status in Ireland, city in (and the county town of) County Galway. It lies on the River Corrib between Lough Corrib and Galway Bay. It is the most populous settlement in the province of Connacht, the List of settleme ...

Offaly County Offaly (; ) is a county in Ireland. It is part of the Eastern and Midland Region and the province of Leinster. It is named after the ancient Kingdom of Uí Failghe. It was formerly known as King's County, in honour of Philip II of Spain ...

Laois County Laois ( ; ) is a county in Ireland. It is part of the Eastern and Midland Region and in the province of Leinster. It was known as Queen's County from 1556 to 1922. The modern county takes its name from Loígis, a medieval kingdom. Hist ...

Carlow Carlow ( ; ) is the county town of County Carlow, in the south-east of Republic of Ireland, Ireland, from Dublin. At the 2022 census of Ireland, 2022 census, it had a population of 27,351, the List of urban areas in the Republic of Ireland, ...

Kilkenny Kilkenny ( , meaning 'church of Cainnech of Aghaboe, Cainnech'). is a city in County Kilkenny, Republic of Ireland, Ireland. It is located in the South-East Region, Ireland, South-East Region and in the Provinces of Ireland, province of Leinst ...

Wexford Wexford ( ; archaic Yola dialect, Yola: ''Weiseforthe'') is the county town of County Wexford, Republic of Ireland, Ireland. Wexford lies on the south side of Wexford Harbour, the estuary of the River Slaney near the southeastern corner of the ...

Waterford Waterford ( ) is a City status in Ireland, city in County Waterford in the South-East Region, Ireland, south-east of Ireland. It is located within the Provinces of Ireland, province of Munster. The city is situated at the head of Waterford H ...

, Kerry,

Limerick Limerick ( ; ) is a city in western Ireland, in County Limerick. It is in the Provinces of Ireland, province of Munster and is in the Mid-West Region, Ireland, Mid-West which comprises part of the Southern Region, Ireland, Southern Region. W ...

and Tipperary. It is also responsible for the security of a number of "vital installations" including civil transport infrastructure sites such as

Cork Harbour Cork Harbour () is a natural harbour and river estuary at the mouth of the River Lee (Ireland), River Lee in County Cork, Ireland. It is one of several which lay claim to the title of "second largest natural harbour in the world by navigational ...

Cork Airport Cork Airport () is the second-largest international airport in the Republic of Ireland, after Dublin Airport, Dublin and ahead of Shannon Airport, Shannon. It is south of Cork (city), Cork City centre, in an area known as Farmers Cross. In ...

Shannon Airport Shannon Airport () is an international airport located in County Clare in Ireland. It is adjacent to the Shannon Estuary and lies halfway between Ennis and Limerick. With almost 2 million passengers in 2023, the airport is the third busiest ...

and Farranfore Airport.

Units

* Brigade HQ - Collins Barracks,

* 1st Infantry Battalion (Galway) * 3rd Infantry Battalion (Kilkenny) * 12th Infantry Battalion (Limerick) * 1st Artillery Regiment (Cork) * 1st Cavalry Squadron (Cork) * 1st Communication and Information Services Company (Cork) * 1st Engineer Group (Cork) * 1st Supply & Transport Group (Cork) * 1st Ordnance Group (Cork) * 1st Military Police Company (Cork) * Army No. 2 Band

Barracks

, Cork *

Sarsfield Barracks Sarsfield Barracks () is an Irish Army Barracks in Limerick city. It houses both Permanent and Reserve Defence Forces of the Irish Defence Forces. History The barracks, originally called New Barracks, were built on land leased from a Mr J.T. Mo ...

, Limerick *

Stephens Barracks Stephens Barracks () is a military installation in Kilkenny, Ireland. History The barracks were built by James Switzer (then spelled Switser) on land provided by the Earl of Ormond as part of the response to the Irish Rebellion and completed ...

, Kilkenny * Dún Uí Mhaoilíosa, Galway

Training facilities

* Lynch Camp, Kilworth *

Bere Island Bere Island or Bear Island (, although officially called ''An tOileán Mór'' meaning "the big island") is an island in Bantry Bay off the Beara Peninsula in County Cork, Ireland. It spans roughly 10 km x 3 km, with an area of 17.68&n ...

, Cork * Fort Davis, Cork * Carnagh Camp, Athlone

References

Military units and formations of the Irish Army {{mil-unit-stub