Dublin Castle Ireland (1800–1922). After the signing of the Anglo-Irish Treaty in December 1921, the complex was ceremonially handed over to the newly formed Provisional Government led by Michael Collins. It now hosts the inauguration of each President of Ireland, and various State receptions. The castle was built by the dark pool ("Dubh Linn") which gave Dublin its name. This pool lies on the lower course of the River Poddle before its confluence with the River Liffey; when the castle was built, the Liffey was much wider, and the castle was effectively defended by both rivers. The Poddle today runs under the
Greenhills, Dublin Lawlor (Fine Gael) and Dermot Looney (Independent). Greenhills is part of the Dublin South-West Dáil constituency. The Teachtaí Dála for the area are Paul Murphy (Anti-Austerity Alliance), Sean Crowe (Sinn Féin), Colm Brophy (Fine Gael), John Lahart (Fianna Fáil) and Katherine Zappone (independent). 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