Are most cities like Paris and Berlin found in the Northern European plain?

Yes, most cities like Paris and Berlin are found in the Northern European plain. The Northern European Plain is a large lowland region in Europe that stretches from the Atlantic Ocean in the west to the Ural Mountains in the east. It is bordered by the North Sea and the Baltic Sea to the north and by the Alps and the Carpathian Mountains to the south. The Northern European Plain is home to some of the most densely populated and economically developed regions in Europe, including the countries of the United Kingdom, France, Germany, Poland, and the Netherlands. The region is also home to some of the most famous cities in the world, including London, Paris, Berlin, and Amsterdam.