Where was Change filmed?
Japanese television drama
Change (2008–) was filmed in Komazawa University, 1 place named in its Japanese Wikipedia’s ロケ地 section, in Japan. 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.
Places per Japanese Wikipedia's ロケ地 section
Japanese Wikipedia’s ロケ地 section names 1 place. Each links to the sentence that says so.