Example image of eyePlorer eyePlorer map for 'Countries of the United Kingdom': England Northern Ireland Scotland Sovereign state United Kingdom Wales Constitution of the United Kingdom Country History of the formation of the United Kingdom Administrative geography of the United Kingdom Devolution Her Majesty's Government Northern Ireland Assembly Parliament of the United Kingdom Reserved matters Scottish Parliament London European Union Intergovernmental organization International organization International Organization for Standardization List of sovereign states United Nations British Islands Channel Islands Isle of Man British Isles Republic of Ireland British nationality law English people People of Northern Ireland Scottish people Welsh people Ireland Irish nationality law Law of the United Kingdom England and Wales Laws in Wales Acts 1535–1542 Act of Union (1800) Acts of Union 1707 Government of Ireland Act 1920 Interpretation Act 1978 Local Government Act 1972 Historic counties of Wales Monmouthshire (historic) Preserved counties of Wales Scotland Act 1998 Anglo-Scottish border Scottish Adjacent Waters Boundaries Order 1999 Britishness