Setouchi region
| Setouchi region 瀬戸内地方 | |
|---|---|
| The Setouchi region in Japan | |
| Country | Japan | 
| Area | |
|  • Total | 29,259.08 km2 (11,296.99 sq mi) | 
| Population  (10 October 2016) | |
|  • Total | 8,495,907 | 
| • Density | 290.4/km2 (752/sq mi) | 
| Time zone | UTC+9 (JST) | 
The Setouchi region (瀬戸内地方, Setouchi chihō), or simply Setouchi, is a geographic region of Japan. Setouchi includes the Seto Inland Sea and the adjacent coastal areas of Honshū, Shikoku, and Kyūshū, three of the four main islands of Japan.
Yamaguchi, Hiroshima, Okayama, Hyōgo, Osaka, Kagawa, Ehime, Fukuoka, and Ōita prefectures all have coastlines in Setouchi; the cities of Hiroshima, Iwakuni, Takamatsu, and Matsuyama are also located within the region.