The Archbishop of Dublin is a senior bishop in the Church of Ireland, second only to the Archbishop of Armagh. The archbishop is the diocesan bishop of the United Dioceses of Dublin and Glendalough and the metropolitan bishop of the Province of Dublin, which covers the southern half of Ireland, and he is styled Primate of Ireland (the Archbishop of Armagh is the "Primate of All Ireland"). The archbishop's throne (cathedra) is in Christ Church Cathedral in central Dublin. The incumbent, from 11 May 2011, is Michael Jackson who signs as +Michael DUBLIN.