Where was Swing Girls filmed?

2004 film by Shinobu Yaguchi

Swing Girls (2004) was filmed in Yonezawa, Nanyo, Nagai, Takahata, Kawanishi and Shirataka, 6 places named in its Japanese Wikipedia’s 主なロケ地 section, in Japan. Wikidata itself records the shoot only as Yamagata Prefecture. Each place says where its claim comes from.

See them on the map → Wikipedia Source data

Places per Japanese Wikipedia's 主なロケ地 section

Japanese Wikipedia’s 主なロケ地 section names 6 places. Each links to the sentence that says so.

Recorded only at country level

Also filmed in Yamagata Prefecture, but the exact places are not known, so they are not on the map.

Filming locations that are mapped there: Japan