Shōdoshima is a town in Kagawa Prefecture, Japan, with a population of 13,646. The town was established in 2006 and covers various ports and communities on the eastern half of Shōdoshima, the second-largest island in the Seto Inland Sea. Shōdoshima is roughly halfway between the much larger islands of Shikoku to the south and Honshu to the north, and has a mild and relatively dry climate.

Kagawa Prefecture is a prefecture of Japan located on the island of Shikoku. Kagawa Prefecture has a population of 949,358 and is the smallest prefecture by geographic area at 1,877 square kilometres (725 sq mi). Kagawa Prefecture borders Ehime Prefecture to the southwest and Tokushima Prefecture to the south.