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
Drumcondra, Dublin Drumcondra, Dublin Drumcondra () is a residential area and inner suburb on the Northside of Dublin, Ireland. It is administered by Dublin City Council. The River Tolka and the Royal Canal flow through the area. The village of Drumcondra was the central area of the Parish of Clonturk, and the two names were used equally for the religious and civil parishes, but the new suburban district of Drumcondra now also encompasses the old Parish of St. Mary. The Cat and Cage Pub on the Drumcondra Road was the site of an old postal stop and the point at which rebels,