Where was Rome Adventure filmed?

1962 film by Delmer Daves

Rome Adventure (1962) was filmed in Rome, Florence, Pisa, Verona, San Gimignano, Orvieto and 3 more places, 9 places named in its Wikipedia article, in the United States, Italy, Switzerland. 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