Ireland is an island located in the North Atlantic. It is west of Great Britain. The capital and largest city of Ireland is Dublin. Some other important cities are Cork, Limerick, Galway and Waterford. The official languages of Ireland are English and Irish (also called Gaelic). Most Irish people can speak English. Irish is mainly spoken in areas located along the western seaboard, known as the Gaeltacht. The main religions in Ireland are Christianity. The largest Christian denomination is Roman Catholic. Other religions with significant populations include Anglican, Presbyterian, Methodist and Orthodox churches. Ireland has a predominantly temperate oceanic climate due to the Gulf Stream with mild winters and cool summers. Rainfall is common year-round