Where was King of the Coral Sea filmed?
1954 Australian film directed by Lee Robinson
King of the Coral Sea (1954) was filmed in Thursday Island and Green Island, 2 places named in its Wikipedia article, in Australia. 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 Wikipedia's article
The Wikipedia article names 2 places. Each links to the sentence that says so.

