Where was Flower Drum Song filmed?

1961 film by Henry Koster

Flower Drum Song (1961) was filmed in San Francisco, Twin Peaks and Universal Studios Lot, 3 places named in its Wikipedia article, 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