Where was Mothra filmed?

1961 Japanese adventure/sci-fi film directed by Ishirō Honda

Mothra (1961) was filmed in Kurobe Dam, Mount Kirishima, Tachikawa Airfield, Mount Takachiho, Tokyo Metropolitan Hibiya Public Hall and Port of Kagoshima, 6 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 6 places. Each links to the sentence that says so.