Where was Ultraman Nexus filmed?

Television series

Ultraman Nexus (2004–) was filmed in Miyagase Dam, 1 place named in its Japanese Wikipedia’s フォートレスフリーダム 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.

See them on the map → Wikipedia Source data

Places per Japanese Wikipedia's フォートレスフリーダム section

Japanese Wikipedia’s フォートレスフリーダム section names 1 place. Each links to the sentence that says so.