Ehime Prefecture is a prefecture in northwestern Shikoku, Japan. The capital is Matsuyama.
Located in the northwestern part of Shikoku, Ehime faces the Seto inland sea to the north and is bordered by Kagawa and Tokushima in the east and Kochi in the south.
The prefecture includes both high mountains in the inland region and a long coastline, with many islands in the Seto inland Sea. The westernmost arm of Ehime, the Sadamisaki Peninsula, is the longest peninsula in Japan.
