Where was Emanuelle and the White Slave Trade filmed?

1978 film by Joe D'Amato

Emanuelle and the White Slave Trade (1978) was filmed in Rome, New York City, San Diego and Olgiata, 4 places named in its Wikipedia article, in Italy, 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