Isle of Man

The Isle of Man (Manx: Ellan Vannin (ˈɛljən ˈvanɪn)), also known simply as Mann (/mæn/; Manx: Mannin (ˈmanɪn)), is a self-governing British Crown dependency in the Irish Sea between the islands of Great Britain and Ireland. The head of state is Queen Elizabeth II, who holds the title of Lord of Mann and is represented by a Lieutenant Governor. Defence is the responsibility of the United Kingdom.

Question: is the isle of man part of great britain
Answer: no