Where was Indian Summer (1972) filmed?

1972 film by Valerio Zurlini

Indian Summer (1972) was filmed in Ancona, Rimini, Riccione, Cattolica, Pennabilli, Misano Adriatico and 2 more places, 8 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.

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