Great Britain is an island off the western coast of Europe and comprises England, Scotland, and Wales. Although the term is often used as a synonym for the United Kingdom, the difference between United Kingdom and Great Britain is that the UK also includes Northern Ireland and a number of offshore islands in addition to Great Britain.

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Great Britain versus United Kingdom comparison chart
Edit this comparison chartGreat BritainUnited Kingdom
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Great BritainUnited Kingdom
Currency Pound sterling (£) (GBP) Pound sterling (£) (GBP)
Demonym British, Britons British
Time zone GMT (UTC+0) Greenwich Mean Time (UTC⁠), but British Overseas Territories are in different timezones. e.g., Bermuda, Gibraltar, Falkland Islands.
Government Parliamentary democracy and Constitutional monarchy Constitutional monarchy, Parliamentary Democracy
Calling code +44 +44. British overseas territories have different calling codes. e.g. Bermuda (+1441), Gibraltar (+350), Cayman Islands (+1345) etc.
Official languages English (de facto) English
Geographical area Island comprising England, Scotland, and Wales Great Britain + Northern Ireland + smaller islands
Political structure Great Britain is not a sovereign state. It is part of the UK. Great Britain is not represented as an independent entity internationally. The United Kingdom (UK) is a sovereign country. The UK is represented as a single sovereign entity in international affairs.
Does it include Northern Ireland? No Yes

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