NUTS of the Republic of Ireland Local administrative units 1 and 2 Local administrative units 1 and 2

| County_or_City | NUTS_3_Region | Population_2006 | Area_km² | Population_Density | Principal_town_city | Vehicle_Registration_Code |
|---|---|---|---|---|---|---|
| County Galway | West Region | 159256 | 6099.95 | 26.1 | Galway | G |
| County Mayo | West Region | 123839 | 5588.31 | 22.2 | Castlebar | MO |
| County Roscommon | West Region | 58768 | 2548.04 | 23.1 | Roscommon | RN |
| – | Border, Midland and Western NUTS-II Region | – | – | – | – | – |
| Dublin city | Dublin Region | 506211 | 117.61 | 4304.1 | Dublin | D |
| Dún Laoghaire–Rathdown | Dublin Region | 194038 | 126.95 | 1528.5 | Dún Laoghaire | D |
| Fingal | Dublin Region | 239992 | 453.09 | 529.7 | Swords | D |
| South Dublin | Dublin Region | 246935 | 223.01 | 1107.3 | Tallaght | D |
| Limerick city | Mid-West Region, Ireland | 52539 | 20.35 | 2581.8 | Limerick | L |
| County Limerick | Mid-West Region, Ireland | 131516 | 2739.67 | 48.0 | Limerick | LK |
| North Tipperary | Mid-West Region, Ireland | 66023 | 2046.30 | 32.3 | Nenagh | TN |