Where was The Ugly American filmed?
1963 film by George Englund
The Ugly American (1963) was filmed in Chulalongkorn University, 1 place named in its Wikipedia article's Production and screenplay section, in Thailand. Wikidata itself records the shoot only as Thailand. Each place says where its claim comes from.
Places per Wikipedia's Production and screenplay section
Wikipedia’s Production and screenplay section names 1 place. Each links to the sentence that says so.
Recorded only at country level
Also filmed in Thailand, but the exact places are not known, so they are not on the map.
Filming locations that are mapped there: Thailand