Where was Fires on the Plain filmed?

1959 film directed by Kon Ichikawa

Fires on the Plain (1959) was filmed in Shizuoka, Gotemba, Izu and Hakone, 4 places named in its Wikipedia article, 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 Wikipedia's article

The Wikipedia article names 4 places. Each links to the sentence that says so.