What is Ruhr Area?
{{Infobox settlement |name = Ruhr Metropolitan Region |native_name = <small>''Metropolregion Ruhr''</small> |image_map = Locator map RVR in Germany.svg |mapsize = 250px |map_caption = map of the Ruhr metropolitan region within Germany |image_dot_map = |dot_mapsize = |dot_map_captio = |dot_x = |dot_y = |image_map1 = |mapsize1 = |map_caption1 = |coordinates = {{coord|51|30||N|7|30||E||display=title,inline}} |subdivision_type = Country |subdivision_name = {{flag|Germany}} |subdivision_type1 = [[States of Germany|State]] |subdivision_name1 = {{flag|North Rhine-Westphalia}} ---- <!-- Politics -----------------> |government_footnotes = |government_type = |governing_body = Regionalverband Ruhr |established_title = |established_date = |subdivision_type3 = Largest Cities |subdivision_name3 = [[Dortmund]]<br />[[Essen]]<br />[[Duisburg]]<br />[[Bochum]] |population_metro = 5,172,745 |area_metro_km2 = 4435 |area_metro_sq_mi = |population_total = |population_note = |population_as_of = |population_footnotes = |population_density_metro_km2 = 1646 |population_density_metro_sq_mi = <!-- General information ---------------> |timezone = [[Central European Time|CET]] |utc_offset = +1 |timezone_DST = |utc_offset_DST = |elevation_footnotes = <ref>highest: Wengeberg in [[Breckerfeld]], lowest: [[Xanten]]</ref> |elevation_max_m = 441 |elevation_max_ft = |elevation_min_m = 13 |elevation_min_ft = |blank_name_sec1 = [[Gross regional product|GRP]] |blank_info_sec1 = 2007 |blank1_name_sec1 = Nominal |blank1_info_sec1 = [[Euro|€]] 136.3 billion<ref>[http://www.metropoleruhr.de/fileadmin/user_upload/metropoleruhr.de/Daten___Fakten/Regionalanalysen/Wirtschaftskraft/Archiv_2007/Wirtschaft_2007_Bruttoinlandsprod.pdf metropoleruhr.de]</ref> | website = [http://www.metropoleruhr.de/ www.metropoleruhr.de] }} The '''Ruhr Area''' (''{{lang-de|Ruhrgebiet}}'') is an urb