Where was Sandakan No. 8 filmed?

1974 film by Kei Kumai

Sandakan No. 8 (1974) was filmed in Amakusa, Amakusa island group, Reihoku, Hondo and Toho Studios, 5 places named in its Japanese Wikipedia’s 撮影 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