Are Scotland and Ireland Part of the UK?

The answer depends on which "Ireland" is meant:

• Scotland is one of the four constituent countries of the United Kingdom (alongside England, Wales, and Northern Ireland).
• Northern Ireland is also part of the UK.
• The Republic of Ireland (often simply called "Ireland") is a sovereign, independent nation and not part of the UK. It occupies the majority of the island of Ireland.

Therefore, Scotland is in the UK; the Republic of Ireland is not. The island of Ireland is politically divided between the UK (Northern Ireland) and the Republic of Ireland.