The Border Region is a NUTS Level III region of Ireland and is governed by the Border Regional Authority. It consists of the area under the jurisdiction of the county councils of counties Cavan, Donegal, Leitrim, Louth, Monaghan and Sligo. The Border region spans 12,156 km2, 17.3% of the total area of the state and has a population in excess of 432,500. Its NUTS code is IE011.
The region stretches from the Atlantic Ocean in the west to the Irish Sea in the east. Two of Ireland's longest rivers, the Shannon and the Erne have their source here and have been connected to form one of the world's longest waterways - the Shannon–Erne Waterway. The region has a large rural landscape with many distinctive geographical features. There are many large mountain ranges and high sea cliffs in Donegal, such as Derryveagh Mountains and Slieve League. The region contains two of Ireland's three fjords: Lough Swilly in County Donegal and Carlingford Lough in County Louth.
Border Regional Authority
The Border region was administered by the Border Regional Authority, which consisted of 38 elected representatives including the region's representative on the EU Committee of the Regions. These representatives met once a month and were nominated from the six local government councils of the region:
- Donegal County Council
- Louth County Council
- Cavan County Council
- Monaghan County Council
- Sligo County Council
- Leitrim County Council
The Regional Authorities were dissolved in 2014 and were replaced by Regional Assemblies.
 According to Eurostat figures for 2012, the region has GDP of €10.795 bn and a GDP per capita of €21,100 (the second lowest in the Republic, the lowest being The Midlands region at €20,100)
A list of the ten largest settlements in the Border region. County capitals are included and are shown in bold.
- Irish Region Office - Regions of Ireland: Border Region
- Border Regional Authority - Profile of the Region
- "Settlement Drogheda Legal Town And Its Environs". Central Statistics Office. 2011. Retrieved 23 April 2014.
- "Settlement Dundalk Legal Town And Its Environs". Central Statistics Office. 2011. Retrieved 23 April 2014.