Where was The Story of Adele H. filmed?

1975 film by François Truffaut

The Story of Adele H. (1975) was filmed in Channel Islands, Saint Peter Port, Gorée, Guernsey and Hauteville House, 5 places named in its Wikipedia article, in Senegal, Jersey, Guernsey. 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 5 places. Each links to the sentence that says so.