Island of Ireland in the context of "Climate of Ireland"

The Catholic Church in Ireland, or Irish Catholic Church, is part of the worldwide Catholic Church in communion with the Holy See. With approximately 4.3 million members, it is the largest Christian church in Ireland. In the Republic of Ireland's 2022 census, 69% of the population identified as Roman Catholic, and in Northern Ireland's 2021 census, 42.3% identified as Roman Catholic.

The Archbishop of Armagh, as the Primate of All Ireland, has ceremonial precedence in the church. The church is administered on an all-Ireland basis. The Irish Catholic Bishops' Conference is a consultative body for ordinaries in Ireland.Christianity has existed in Ireland since the 5th century and arrived from Roman Britain (most famously associated with Saint Patrick), forming what is today known as Gaelic Christianity. It gradually gained ground and replaced the old pagan traditions. The Catholic Church in Ireland cites its origin to this period and considers Palladius as the first bishop sent to the Gaels by Pope Celestine I. However, during the 12th century a stricter uniformity in the Western Church was enforced, with the diocesan structure introduced with the Synod of Ráth Breasail in 1111 and culminating with the Gregorian Reform which coincided with the Anglo-Norman invasion of Ireland.

Limerick (/ˈlɪmərɪk/ LIM-ər-ik; Irish: Luimneach [ˈl̪ˠɪmʲ(ə)nʲəx]) is a city in western Ireland, in County Limerick. It is in the province of Munster and is in the Mid-West which comprises part of the Southern Region. With a population of 102,287 at the 2022 census, Limerick is the third-most populous urban area in Ireland, and the fourth-most populous city on the island of Ireland. It was founded by Scandinavian settlers in 812, during the Viking Age.

The city straddles the River Shannon, with the historic core of the city located on King's Island, which is bounded by the Shannon and Abbey Rivers. Limerick is at the head of the Shannon Estuary, where the river widens before it flows into the Atlantic Ocean. Limerick City and County Council is the local authority for the city.

Cork (Irish: Corcaigh [ˈkɔɾˠkəɟ]; from corcach, meaning 'marsh') is the second-largest city in Ireland, the county town of County Cork, the largest city in the province of Munster and the third largest on the island of Ireland. At the 2022 census, it had a population of 224,004.

The city centre is an island between two channels of the River Lee which meet downstream at its eastern end, where the quays and docks along the river lead outwards towards Lough Mahon and Cork Harbour, one of the largest natural harbours in the world.

Burr Point is considered the easternmost point of mainland Northern Ireland and the Island of Ireland. It is located in the townland of Ballyhalbert on the Ards Peninsula in County Down, at longitude 5.4326ºW, although the monument is at longitude 5.4397ºW. It is a just over a mile (or 2 km) southeast of Ballyhalbert village.

The most easterly point of all Northern Ireland and Ireland is a small rock named Cannon Rock, a rock situated 4.08 kilometres off the Ards Peninsula, at longitude 5.42ºW.