The Diocese of Armagh is one of the most significant dioceses in the Roman Catholic Church in Ireland. It serves as the ecclesiastical province for the northern part of the country and is known for its historical importance, particularly as the seat of the Archbishop of Armagh, who is the primate of all Ireland. Founded in the 5th century, the diocese has a rich heritage, including the famous St. Patrick, who is believed to have established the early Christian community there. The diocese encompasses a diverse range of communities and parishes, playing a vital role in the spiritual life of its members.