The Commonwealth of Nations, also known as the Commonwealth, is an voluntary association of 53 independent sovereign states, most of which are former Mritish colonies, or dependencies of these colonies (the exception being the United Kingdom itself).

Queen Elizabeth II of the United Kingdom serves as the Head of the Commonwealth, the offical leader of the origanization.

Elizabeth II is also the monarch, separately, of sixteen members of the Commonwealth, collectively called the Commonwealth realms.

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