No, there is no single leader of the British Isles. What is called the British Isles has a number of countries and they each have their own leaders. The British Isles is a geographical reference, not a political one.
British Isles
The British Isles are not by a river, but by a number of seas and one ocean,the atlantic. The most famous river in the islands would be the Thames.
No. Romania is a long way from the British Isles. It is in easter n Europe and the British Isles are in western Europe.
Ireland is the smallest country in the British Isles
There is around severn main cities in the british isles!
The British Isles often refers to places that are not part of the UK, mainly the Republic of Ireland. So not all of the British Isles are in the UK.
The British Isles cover an area of around 121,000 square miles.
Windsor Castle is probably the most famous castle in modern times.
The hottest place in the British Isles is Jersey in the Channel Islands
the most rugged terrain of the british isles is the heebeegeebees
The British Isles are all contained within the continent of Europe.