Where was Hoa-Binh filmed?
1970 film by Raoul Coutard
Hoa-Binh (1970) was filmed in Ho Chi Minh City and Biên Hòa, 2 places named in its Wikipedia article, in Vietnam. 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.
