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
Jewish ghettos in Europe Jewish ghettos in Europe Jewish ghettos in Europe were neighborhoods of European cities in which Jews were permitted to live. In addition to being confined to the ghettos, Jews were placed under strict regulations as well as restrictions in many European cities. The character of ghettos varied over the centuries. In some cases, they comprised a Jewish quarter, the area of a city traditionally inhabited by Jews. In many instances, ghettos were places of terrible poverty and during periods of population growth, ghettos had narrow streets and small, crowded houses. Residents had their own justice system. Around the ghetto stood