It is surrounded by Kyushu, Shikoku, and Honshu, and has 11 coastlines.
Setouchi Inland Sea
囲まれる：to be surrounded by
海岸線：coastline(s)
瀬戸内：Setouchi (Inland Sea)
内海：inland sea
The Setouchi Inland Sea is surrounded by Kyushu, Shikoku, and Honshu, and has 11 coastlines.
アメリカ合衆国 
