Answer:
This also helps explain why Spain has the most densely populated km² in Europe; more than 53,000 people inhabit a single 1km² area in Barcelona. France also has an area with more than 50,000 people in a single km², in Paris.
It has four major land areas: the Northwestern Highlands, the North European Plain, the Central Uplands, and the Alpine Mountain System. Russia lies on two continents—Europe and Asia.
