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
Adamstown, Dublin Adamstown, Dublin Adamstown () is the first "new town style development" planned in Ireland since Shannon Town in 1982. The new settlement is being developed 16 km from Dublin city centre, on a 220 hectare site just south of Lucan, west of the Griffeen River and north of the Grand Canal. No date has been set for the official granting of any specific official status but development is underway since 2005. As of 2017, perhaps 3500 of a planned population of 25000 are resident. Adamstown is in the jurisdiction of South Dublin. Adamstown is beside the Dublin-Kildare railway line The