Ehime Prefecture is located in Shikoku Island in southwestern Japan. The prefecture is known for its mild climate and plantation of citrus fruits, including mandarin oranges. The prefecture is also famous for its fishing industry and cultured pearls. In the city of Matsuyama, the prefectural capital, there is a hot spring called “Dogo Onsen”, which is said to have a history of 3,000 years and is the oldest hot spring in Japan.