Where was Berlin 36 filmed?

2009 film set in the Olympic games in fascist Germany directed by Kaspar Heidelbach

Berlin 36 (2009) was filmed in Berlin, Bochum, Berlin Olympic Stadium, Gladbeck, Babelsberg Studio, Freizeitstätte Wittringen and 1 more place, 7 places named in its German Wikipedia’s Produktion section, in Germany. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.

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