Japan (Japanese, English), referred to as "Japan", is an island country located in East Asia. Its territory consists of Hokkaido, Honshu, Shikoku and Kyushu and more than 6,800 small islands, with a total area of 378,000 square kilometers. The main ethnic group is the Japanese-speaking Yamato ethnic group, with a total population of about 1.26 billion. The three major metropolitan areas in Japan are Tokyo Metropolitan Area, Osaka Metropolitan Area and Nagoya Metropolitan Area.