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
Greenhills, Dublin Greenhills, Dublin Greenhills () is a suburb of Dublin in Ireland. It lies between Kimmage, Tallaght, Templeogue, Terenure and Walkinstown, and includes the residential developments of Greenhills Estate, Greenpark, Limekiln Estate and Temple Manor. Greenhills is in the Dublin 12 postal area. The area was mostly farmland until expansion in the 1950s and 1960s led to the building of new housing estates. However, Greenhills, situated just below the esker upon which the Greenhills Road now runs, may have housed settlements as long ago as 1800 BC. An urn dating from that time, found in the late 1890s in the former