Ruhr - Wikipedia
https://en.wikipedia.org/wiki/Ruhr
WebThe Ruhr ( / ˈrʊər / ROOR; German: Ruhrgebiet [ˈʁuːɐ̯ɡəˌbiːt] ⓘ, also Ruhrpott German pronunciation: [ˈʁuːɐ̯pɔt] ⓘ ), also referred to as the Ruhr area, sometimes Ruhr district, Ruhr region, or Ruhr valley, is a polycentric urban area in North Rhine-Westphalia, Germany. [a] With a population density of 2,800/km 2 and a ...
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