Where was Stronghold filmed?

1985 film

Stronghold (1985) was filmed in Lommel, Leopoldsburg, Oostham and Eksel, 4 places named in its Dutch Wikipedia’s Locaties section, in Belgium. 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 → Source data

Places per Dutch Wikipedia's Locaties section

Dutch Wikipedia’s Locaties section names 4 places. Each links to the sentence that says so.