London has healthcare which is provided to many citizens.
London . London is a leading global city in the arts , commerce , education , entertainment , fashion , finance , healthcare , media , professional services , research and development , tourism , and transportation . The city 's metropolitan area is the most populous in the EU with 13,879,757 inhabitants , while the Greater London Authority states the population of the city-region ( covering a large part of the south east ) as 22.7 million .