Domninion
There have been a few different Self-governing colonies in the British Empire. One that comes to mind is Southern Rhodesia, known today as Zimbabwe.
Multi-ethnic empire common culture or language self governing country
The Isle of Man is a self-governing British Crown possession. It has its own currency, passes its own laws and is only dependent on Britain for defence purposes.
Bermuda is a self governing country within the Commonwealth. Formerly a British Dependancy.
I believe Niue is the smallest Self Governing country.
The Isle of Man is a self governing British Crown possession.
The Falkland Islands are a self governing British Overseas Territory.
The death of Queen Victoria and Australia becoming a self governing colony within the empire. What is known as a Dominion.
UKThe United Kingdom, since 1833.The Falkland Islands are a British Crown Dependency which means that they are self-governing but Britain is responsible for their defence.
Denmark has two self-governing possessions.
Douglas is the capital of the Isle of Man, a largely self governing part of the British Isles.
A dominion is a self-governing authority of a territory. Dominions were formerly seen during the British Empire with such countries of New Zealand and Canada.