United Kingdom — … ‘just the essentials’ portal
The United Kingdom, short-form The UK– is part of Western Europe.
The United Kingdom of Great Britain and Northern Ireland is the full and correct name of the country.
Great Britain is the name of the island where England and Scotland are located.
Ireland is another island and consists of Northern Ireland (capital city is Belfast) and the Republic of Ireland (capital city is Dublin).
The Republic of Ireland is a separate country and does not belong to the United Kingdom.