The predominant religion in Ireland is Christianity, with the largest church being the Roman Catholic Church. Ireland's constitution states that the state may not endorse any particular religion and guarantees freedom of religion.
Ireland is an island in northwest Europe in the north Atlantic Ocean whose main geographical features include low central plains surrounded by a ring of coastal mountains.
Officially name: The Republic of Ireland
Capital: Dublin
Largest city: Dublin
Official language: Irish, English
Government: Constitutional republic, Parliamentary democracy