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
Naul, Dublin Naul, Dublin Naul (, also known as "The Naul"), is a village at the northern edge of Fingal and the traditional County Dublin, Ireland. At the northern side of the village, the Delvin River marks the boundary with County Meath. Naul is also a civil parish in the historic barony of Balrothery West. The village is a crossroads between the R122 and R108 regional roads, the latter being the traditional route between Dublin and the port of Drogheda, while the R122 travels from Finglas in the south to Balbriggan. The River Delvin passes Naul to the north, with cliffs of