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
Dublin City Council scheme that many people favoured. The building was taken over for city government use in the 1850s. Dublin City Council published a plan in 2011 to supply water from Lough Derg on the River Shannon to Dublin city and region. In January 2014, Irish Water took over management of the River Shannon to Dublin pipeline project which is currently (2017) in the Planning Stage. Dublin City Council Dublin City Council () is the authority responsible for local government in the city of Dublin in Ireland. As a city council, it is governed by the Local Government Act 2001. Until 2001,