Koiwai jima (Koiwai Jima), Yamaguchi
Koiwai jima: island in Japan
About
Quick Facts about Koiwai Jima
| Country | Japan |
| State | Yamaguchi (Japan) |
| County | Kumage-gun |
| Latitude & Longitude | 33.7917,131.9353 |
| Time Zone | Asia/Tokyo |
| Local time | 14:12:42 (17th May 2026) |
Geography
Koiwai Jima is located at 33°47'30"N 131°56'7"E (33.7916500, 131.9352500).
Koiwai jima map
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Ko-iwai Sima, Ko-iwai-shima, Koiwai-jima, Kowai Sima, xiao zhu dao, 小祝島