Seto Inland Sea

Frae Wikipedia
Lowp tae: navigation, rake
The Inland Sea an its major straits

The Seto Inland Sea (瀬戸内海 Seto Naikai?), eften shortened tae Inland Sea, is the body o watter separatin Honshū, Shikoku, an Kyūshū, three o the fower main islands o Japan.

Coordinates: 34°10′N 133°20′E / 34.167°N 133.333°E / 34.167; 133.333