Where was Samurai Sentai Shinkenger filmed?
Television series
Samurai Sentai Shinkenger (2009–) was filmed in Sakura and Former Residence of Lord Hotta, 2 places named in its Japanese Wikipedia’s 特徴 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 特徴 section
Japanese Wikipedia’s 特徴 section names 2 places. Each links to the sentence that says so.

