Where was James and the Giant Peach filmed?

1996 animated musical fantasy film directed by Henry Selick

James and the Giant Peach (1996) was filmed in San Francisco Bay and Treasure Island, 2 places named in its French Wikipedia’s Autour du film section, in the United States. 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 French Wikipedia's Autour du film section

French Wikipedia’s Autour du film section names 2 places. Each links to the sentence that says so.