Where was The Hawks and the Sparrows filmed?

1966 film by Pier Paolo Pasolini

The Hawks and the Sparrows (1966) was filmed in Rome, Assisi, Viterbo, Pomezia, Roma Fiumicino Airport and Tuscania, 6 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