United Kingdom (UK) - Britain - England - London

The United Kingdom is a constitutional monarchy (some of the constitutional monarchies include Canada,Australia, Japan, Norway, Belgium, Spain, Sweden ) comprising of the countries England, Scotland, Northern Ireland and Wales.

Great Britain consists of England, Wales, and Scotland excludes Northern Ireland.

London is one of the biggest cities in Britain. London has the 6th largest city economy in the world after Tokyo, New York City, Los Angeles, Chicago, and Paris.
Other major cities are Glasgow, Birmingham, Liverpool, Edinburgh, Leeds, Bristol, Manchester, and Bradford.

Pound is the currency of England and is one of the most powerful currencies in terms of money value in the world.