Where was Duel in the Jungle filmed?

1954 film by George Marshall

Duel in the Jungle (1954) was filmed in Johannesburg, Victoria Falls, Gqeberha, Kruger National Park, Victoria Falls and Elstree Studios, 6 places named in its Wikipedia article, in the United Kingdom, South Africa, Zambia, Zimbabwe. 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