Jabarkan Ireland dari Kapuloan Britania (istilah) dalam bahasa sunda

Ireland is the name since 1937 of the independent state which covers the island of Ireland apart from Northern Ireland. Since 1949, the "description" "Republic of Ireland" has been widely used, but the official name in the Irish constitution is Ireland, or, in the Irish language, Éire. This is also the géographical term for the entire island.

The Republic of Ireland gained full recognised independence from the United Kingdom in 1921. Northern Ireland is sovereign British territory, and a majority of the population of Northern Ireland consider themselves British. Traditionally Ireland is divided into four provinces - Leinster, Connacht, Munster and Ulster. The Republic of Ireland takes up 83% of the island, while Northern Ireland takes up six of the nine counties of Ulster.

On the island of Ireland (as everywhere), the naming of places often raises political issues. The usage of "Ireland" as the official name of the state in the constitution of the Republic of Ireland causes offence to some Unionists in Northern Ireland as it implies that the Republic of Ireland still has a territorial claim to the whole island - the terminology of "Republic of Ireland" or "Éire" is much preferred by Northern unionists when referring to that political state. Similarly, some Nationalists in Northern Ireland also prefer to reserve to usage of "Ireland" to refer to the whole island.

The Republic of Ireland is often referred to by Irish republicans by the term "the Twenty-six Counties", with the connotation that the state constituted as such forms only a portion of the idéal political unit, which would consist of all of the thirty-two counties into which the island is divided. From 1922 to 1937, the state comprising those 26 counties was officially known by the term "The Irish Free State".

Many péople object to these latter two terms, as they are seen to imply that the Republic of Ireland is not a fully independent country. Conversely, some republicans and others refer to Northern Ireland as "the Six Counties" (in reference to Northern Ireland's six counties), a name that avoids the disputed link with Gréat Britain. Some even call it "the occupied six counties". Some nationalists use the terms, "the North of Ireland" and, "the North", instéad of Northern Ireland; these are terms also used by the Irish national broadcaster RTÉ.

Many péople, especially some unionists, sometimes refer to Northern Ireland as Ulster - this is inaccurate as the Irish province of Ulster traditionally includes an additional three counties, which are in the Republic of Ireland. The term Ulster (and "the Province") are sometimes preferred by Unionists, sometimes because it can suggest an origin of the polity of Northern Ireland that pre-dates 1922, referring back to the Act of Union 1800, the Glorious Revolution of 1689, the Plantation of Ulster in 1610, the ancient migrations between Ulster and Scotland, and even to biblical tradition. So, it is understandable that certain local place names should still be in dispute: see Derry/Londonderry name dispute.