What is the difference between Great Britain UK and british isles?

Great Britain is the largest island of the British Isles, and includes England, Scotland, and Wales.

The United Kingdom (UK) is a sovereign country that includes Great Britain and Northern Ireland.

The British Isles is a group of islands that includes Great Britain, Ireland, the Isle of Man, the Channel Islands, and many smaller islands.

The following table summarises the key differences between the three:

| Feature | Great Britain | United Kingdom | British Isles |

|---|---|---|---|

| Size | Largest island of the British Isles | Includes Great Britain and Northern Ireland | Includes Great Britain, Ireland, and many smaller islands |

| Population | About 60 million | About 67 million | About 70 million |

| Capital city | London | London | Dublin (Ireland), London (Great Britain) |

| Government | Constitutional monarchy | Constitutional monarchy | Various (including the UK, Ireland, and the Crown Dependencies) |