Where was Treasure of San Gennaro filmed?

1966 film by Dino Risi

Treasure of San Gennaro (1966) was filmed in Naples, Ercolano, Bacoli, Girolamini, Castello Aragonese and Villa Campolieto, 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