Where was Kings of the Road filmed?
1976 film by Wim Wenders
Kings of the Road (1976) was filmed in Lüneburg Heath and inner German border, 2 places named in its Wikipedia article, in Germany. 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.
Part of the Road Movie trilogy
Places per Wikipedia's article
The Wikipedia article names 2 places. Each links to the sentence that says so.

