Northern Ireland is the only part of the island of Ireland that is part of the United Kingdom.

Core answer

  • The island of Ireland is divided into:
    • Republic of Ireland – an independent country, not in the UK.
* **Northern** Ireland – remains part of the United Kingdom of Great Britain and Northern Ireland.

So if someone asks β€œwhich part of Ireland is part of the UK?”, the precise answer is: Northern Ireland, which covers the northeastern portion of the island and includes cities like Belfast and Derry/Londonderry.

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