South Dublin South Dublin South Dublin () is a county in Ireland, within the province of Leinster, and the Dublin Region, a successor to County Dublin, from which its name derives. South Dublin County Council is the local authority for the county. The county contains both dense suburbs of Dublin and stretches of unpopulated mountain. In 2011 it had a population of 278,749, making it the third most populous county in the state. South Dublin has an area of 222.74 square kilometres. It is bounded by Dublin City (15 km to the north east), the River Liffey (separating it from Fingal to
Adamstown, Dublin Adamstown, Dublin Adamstown () is the first "new town style development" planned in Ireland since Shannon Town in 1982. The new settlement is being developed 16 km from Dublin city centre, on a 220 hectare site just south of Lucan, west of the Griffeen River and north of the Grand Canal. No date has been set for the official granting of any specific official status but development is underway since 2005. As of 2017, perhaps 3500 of a planned population of 25000 are resident. Adamstown is in the jurisdiction of South Dublin. Adamstown is beside the Dublin-Kildare railway line The