Landmarks & buildings
Roman amphitheatre of El Jem
Carthagian amphitheatre in Tunisia
Wikipedia names Roman amphitheatre of El Jem as where 1 film or series was filmed; its page links to the sentence that says so. Wikidata records no shoot here yet.

Filmed here, per Wikipedia
Wikipedia says these were filmed in Roman amphitheatre of El Jem. Each title’s page links to the sentence that says so.