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
Beggars Bush, Dublin Barracks from 1827 until 1929 but is now the home of the Labour Relations Commission, the Geological Survey of Ireland, the Irish Labour History Society Museum and the National Print Museum. Beggars Bush, Dublin Beggars Bush () is the site of the former Beggars Bush Barracks on Haddington Road in the inner southern suburbs of Dublin, Ireland, as well the surrounding area and a nearby pub. The barracks were bordered to the east by Shelbourne Road, which used to be the western bank of the River Dodder. The locality is in the jurisdiction of Dublin City Council, is broadly considered