The Seto Inland Sea is very calm like as a lake and you can see a large number of islands. It is warm and dry around this aria, The Seto Inland Sea is sometimes called “the Aegean Sea in Japan”, and the products of citrus fruits prospered. Especially Hiroshima is the best harvest of lemons in Japan. As for Miyajima Island, the Itsukushima shrine is in, so more than three million people visit here per year. The Innoshima Island is in Onomichi-city and it is rare that we can see the only one castle that was built by the Murakami-suigun pirates in the medieval times. And then, the nearest island from the Hiroshima port is the Etajima Island. There are the fields of mikan, the Japanese citrus and mikan picking is popular in autumn. Also, there is the old building of the once Japan Imperial Naval Academy and you can visit and see inside.