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
Sutton, Dublin Sutton, Dublin Sutton ( – Fintan's cell or church) is a residential suburb on the Northside of Dublin, Ireland. It occupies the tombolo which links Howth Head to the mainland, some of the lower slopes of Howth Hill, and a little of the adjacent coasts. The area lies within the jurisdiction of Fingal County Council. There is a small commercial core at the Sutton Cross road intersection. Sutton lies in the ancient Barony of Coolock, within the historic County Dublin. Historically Sutton lay entirely on the Howth peninsula, from Sutton Cross up to Claremont road and the Martello Tower at