[Flimm]

The UK is part of the continent of Europe. It's also still a member of the EU for the time being.

[Beltiras]

The UK is actually an island off the continent of Europe. If we are being pedantic. It may belong to Europe culturally in some respects but geographically, it does not.

[richrichardsson]

Geologically however : https://en.wikipedia.org/wiki/Eurasian_Plate