Where was Deathstalker IV: Match of Titans filmed?

1990 film directed by Howard R. Cohen

Deathstalker IV: Match of Titans (1990) was filmed in Sofia, Vidin, Baba Vida, Belogradchik Rocks and Nu Boyana Film Studios, 5 places named in its Wikipedia article's Filming section, in Bulgaria. 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