Europe of population are Saint Petersburg, Madrid, Berlin and Rome, each having over 3 million residents. When considering the commuter belts or metropolitan areas, within the EU (for which comparable data is available) London covers the largest population, followed in order by Paris, Madrid, Barcelona, Berlin, the Ruhr area, Rome, Milan, Athens and Warsaw. "Europe" as a cultural concept is substantially derived from the shared heritage of the Roman Empire and its culture. The boundaries of Europe were historically understood as those of Christendom (or more specifically Latin Christendom), as established or defended throughout the medieval and early modern history of
Plug-in electric vehicles in Europe Plug-in electric vehicles in Europe The adoption of plug-in electric vehicles in Europe is actively supported by the European Union and several European government have set public subsidies and other non-financial incentives to promote their widespread adoption. More than one million plug-in electric passenger cars and vans have been registered in Europe by June 2018, the second largest stock after China, with Norway as the leading market with almost 275,000 units. , France ranks second with almost 158,000, followed the UK with over 137,000 units. , France ranked as the largest European market for light-duty electric commercial vehicles or utility