Where was Love and Honor (2006) filmed?
2006 film by Yōji Yamada
Love and Honor (2006) was filmed in Odawara, Tsuruoka, Shirakawa and Kawanehon, 4 places named in its Japanese Wikipedia’s スタッフ 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 スタッフ section
Japanese Wikipedia’s スタッフ section names 4 places. Each links to the sentence that says so.

