Where was No Peace Under the Olive Tree filmed?

1950 film by Giuseppe De Santis

No Peace Under the Olive Tree (1950) was filmed in Fondi, Sperlonga, Itri and Vallecorsa, 4 places named in its Wikipedia article, in Italy. 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