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
Dundrum, Dublin Dundrum, Dublin Dundrum (, "the ridge fort"), originally a town in its own right, is a suburb of Dublin in Dún Laoghaire–Rathdown, Ireland. The area is located in the postal districts of Dublin 14 and Dublin 16. Dundrum is home to one of the largest shopping complexes in Ireland. One of the earliest mentions of the area concerns the location of the original St. Nahi's Church in the 8th century on which site today's 18th-century church currently stands. The ancient name for Dundrum is "Taney" which derives from "Tigh Naithi" meaning the house or place of Nath Í. Recent archeological