Seat at St. Patrick's Cathedral
The United Provinces of Armagh and Tuam, commonly called the Province of Armagh, and also known as the Northern Province, is one of the two ecclesiastical provinces that together form the Church of Ireland; the other is the Province of Dublin. The province has existed since 1833 when the ancient Province of Armagh was merged with the Province of Tuam. Its metropolitan bishop is the Archbishop of Armagh.
Dioceses in the province
There are seven suffragan dioceses in the Province, which cover all of Northern Ireland and, in the Republic of Ireland, the counties of Donegal, Monaghan, Cavan, Louth, Leitrim, Sligo, Roscommon (except for its very south), Longford, Mayo and the northern half of County Galway. It covers approximately half of the island of Ireland.