UK counties are subnational divisions responsible for administrative and political functions. Counties are categorized into Lieutenancy, Regional, Upper tier, Lower tier, and Parish. Total UK counties number 109 across England, Scotland, Wales, and Northern Ireland
Ireland and Northern Ireland are two separate countries on the island of Ireland. Ireland is an independent sovereign state, while Northern Ireland is part of the UK. No physical border exists between the two countries, abolished by Good Friday Agreement. Ireland has 26 counties, Northern Ireland has 6 counties
Northern Ireland occupies one-sixth of Ireland, separated from Scotland by North Channel. Borders Ireland to the south and west, separated from England and Wales by Irish Sea. Capital is Belfast, with other major cities being Derry and Armagh
Ireland is divided into two separate countries: Republic and Northern Ireland. Northern Ireland is part of UK with 1.9 million population. Republic has 26 counties, Northern Ireland has 6 counties. No physical border exists between the two countries
Only official flag is Union Flag, representing UK as a whole. No official local flag exists for Northern Ireland. Ulster Banner used by government from 1953 to 1973
Ireland and UK connected since 1542 through Protestant colonization. Ireland gained independence in 1922, partitioned into Irish Free State and Northern Ireland. Ireland became Republic in 1937, ending Commonwealth membership. Anglo-Irish Trade War (1932-1938) resolved through tariff protection