Where was Hula Girls filmed?
2006 film by Lee Sang-il
Hula Girls (2006) was filmed in Iwakishi Sekitan Kasekikan, 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.