Japan is a chain of islands between the North Pacific Ocean and the Sea of Japan, east of the Korean Peninsula, covering an area of approximately 378,000 sq km. Its terrain is mostly rugged and mountainous with 29,751km of coastline. The country is divided into 47 prefectures: Aichi, Akita, Aomori, Chiba, Ehime, Fukui, Fukuoka, Fukushima, Gifu, Gunma, Hiroshima, Hokkaido, Hyogo, Ibaraki, Ishikawa, Iwate, Kagawa, Kagoshima, Kanagawa, Kochi, Kumamoto, Kyoto, Mie, Miyagi, Miyazaki, Nagano, Nagasaki, Nara, Niigata, Oita, Okayama, Okinawa, Osaka, Saga, Saitama, Shiga, Shimane, Shizuoka, Tochigi, Tokushima, Tokyo, Tottori, Toyama, Wakayama, Yamagata, Yamaguchi and Yamanashi. Tokyo is the capital, with a time difference of 9 hours ahead of GMT. The currency is the yen, and exports include vehicles, computer parts, chemicals, scientific instruments and watches. The population of approximately 127,000,000 people comprises an ethnic makeup that is 98.5% Japanese. The primary languages are Japanese, and the predominant religions are Shintoism and Buddhism.