Where was The House with Laughing Windows filmed?

1976 film by Pupi Avati

The House with Laughing Windows (1976) was filmed in Ferrara, Comacchio, Minerbio and Malalbergo, 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

Places per Wikipedia's article

The Wikipedia article names 4 places. Each links to the sentence that says so.