England, Scotland, Wales, and Northern Ireland each have their own distinct identities and histories, but they are all part of the United Kingdom. England is the largest country in the UK, containing 84% of the UK's population, and its capital is London. Scotland has Edinburgh as its capital and over 700 islands, while Wales' capital is Cardiff and it is officially bilingual in English and Welsh. Northern Ireland shares the island of Ireland and has Belfast as its capital city.