Great Britain is largest island in the North Atlantic Ocean. It has the land area of 209,331 square kilometre. It is ninth largest island of the world and largest island of Europe. This island had population of 61 million in 2011. It increased rapidly and in 2015 up to 64 million. The capital of this country is London. Its capital is also called as the oldest metro city of the world. There are more than 80% people living in the cities here. This country has maritime climate so there is very less temperature difference.