Ireland is an island in the North Atlantic Ocean. Ireland may also refer to: Polities currently located on Ireland Ireland, also known as the Republic of Ireland, a sovereign state Northern Ireland, a constituent country of the United Kingdom Former political arrangements of Ireland Gaelic Ireland, the political order that existed in Ireland before the Norman invasion Lordship of Ireland, a nominally all-island state created in the wake of the Norman invasion of the east coast of Ireland in 1169 Kingdom of Ireland, a state from 1541 to 1800, in personal union with England and Scotland Confederate Ireland (1642–1649), an Irish government that controlled about two thirds of Ireland during the Commonwealth (or Interregnum) Irish Republic (1798), a short-lived French client republic proclaimed during the Irish Rebellion of 1798 Ireland (1801–1921), a constituent country of the United Kingdom from 1801 to 1921 Irish Republic (1916), a short-lived unrecognised independent state that existed in parts of Dublin during Easter Week Irish Republic, an unrecognised independent state declared between 1919 and 1922 Southern Ireland (1921–22), a constituent country of the United Kingdom from 1921 to 1922, established on the same day as Northern Ireland Irish Free State, a dominion from 1922 to 1937, comprising briefly all of Ireland and thereafter 26 of the island's 32 counties, ending when the state adopted the name "Ireland" in December 1937 Other places Ireland, Bedfordshire, England Ireland, Nova Scotia, Canada Ireland, Indiana, United States Ireland, Texas, United States Ireland, Washington, United States Ireland, West Virginia, United States Ireland Island, Bermuda, Bermuda Ireland Wood, West Yorkshire, England Island of Ireland, part of the failed World Islands development in Dubai New Ireland (island), Papua New Guinea New Ireland Province, Papua New Guinea People Ireland Baldwin (born 1995), American fashion model Ireland (surname), a surname (including a list of people with the name) Other uses Justice Ireland (disambiguation) RMS Empress of Ireland, an ocean liner that sank in 1914 after a collision United Ireland, a political movement See also Irish (disambiguation) Names of the Irish state Munster Republic