Wanderlust World Wanderlust World Ireland was part of the UK from 1801. The early 20th-century independence movement led to the Irish War of Independence (1919-1921) and the Anglo-Irish Treaty (1921), creating the Irish Free State (later the Republic of Ireland) as a self-governing dominion, while Northern Ireland remained in the UK.
The Republic of Ireland is a fully independent nation with its own constitution, government, and EU membership. It is not subject to UK laws.
Great Britain is the island containing England, Scotland, and Wales. Ireland is a separate island, divided by the Irish Sea.
Historical conflict, political sovereignty, and physical geography all confirm that the Republic of Ireland is distinct from Great Britain and the United Kingdom.