Landscapes & nature
Lake Albano
Lake south of Rome, Italy
Wikipedia names Lake Albano 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 Lake Albano. Each title’s page links to the sentence that says so.
Filming locations nearby
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Towns & cities
Castel Gandolfo
Italy · 1 km west
Comune in Lazio, Italy
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Landmarks & buildings
Papal Villas of Castel Gandolfo
Italy · 1 km west
Extraterritorial properties of the Holy See in Castel Gandolfo, Italy
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Castles & palaces
Papal Palace of Castel Gandolfo
Italy · 2 km west
17th-century papal palace in the city of Castel Gandolfo, Italy
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Landscapes & nature
Alban Hills
Italy · 3 km south-east
Mountain range
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Towns & cities Ariccia
Italy · 3 km south
Italian comune
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Towns & cities
Rocca di Papa
Italy · 4 km north-east
Italian comune