UK
No country begining with a letter G 'rules' Northern ireland. Northern Ireland is a part of the United Kingdom. What you are referring to is Great Britain, which is the name often given to the island on which England, Scotland and Wales are found. They are part of the United Kingdom.
No single country rules it. The island of Ireland is split into the Republic of Ireland, which rules itself and Northern Ireland, which is ruled as part of the United Kingdom, although Northern Ireland has some power over itself through its devolved government.
Northern Ireland does not own any country. Northern Ireland itself is part of the United Kingdom, which may be what you mean.
Northern Ireland is not the smallest country in Britain. Northern Ireland is not in Britain. Britain is an island consisting of England, Wales and Scotland. Northern Ireland is on the island of Ireland. Wales is the smallest country in Britain. Britain and Northern Ireland together form the United Kingdom. Northern Ireland is smaller than Wales, so it is the smallest country in the United Kingdom.
Northern Ireland is a country. Countries do not have a mayor.
What, Northern Ireland
ireland
Donegal is not located in Northern Ireland because it is part of the Republic of Ireland, which is a separate country from Northern Ireland.
The country splitted when the troubles started in Northern Ireland.
Great BritainThere is currently a Power-sharing arrangement between the two major Ethno-Religious groupings in Northern Ireland and the Republic of Ireland now holds greater influence over decision making there.
Ireland rules Ireland. Ireland is also known as Éire.
As Northern Ireland is still part of the UK; the same rules will apply.