Landscapes & nature
Phlegraean Fields
Volcanic region located in the Gulf of Pozzoles, west of Naples, Italy
Wikipedia names Phlegraean Fields 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 Phlegraean Fields. Each title’s page links to the sentence that says so.
Journey to ItalyDrama film1954
Filming locations nearby
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Towns & cities Pozzuoli
Italy · 1 km west
Italian comune
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Landscapes & nature
Agnano
Italy · 2 km north-east
Crater
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Towns & cities Bagnoli
Italy · 3 km south-east
Quarter of Naples, Italy
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Towns & cities
Coroglio
Italy · 4 km south-east
Human settlement in Italy
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Landscapes & nature
Nisida
Italy · 4 km south-east
Volcanic islet, north of Naples
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Landmarks & buildings
Stadio Diego Armando Maradona
Italy · 5 km east
Multi-use stadium in Naples, Italy