japan | ethnicgroup | brazilians_in_japan <sep> japan (japanese: 日本, nippon or nihon, and formally 日本国, nihonkoku) is an island country in east asia it is situated in the northwest pacific ocean and is bordered on the west by the sea of japan, extending from the sea of okhotsk in the north toward the east china sea, philippine sea, and taiwan in the south japan is a part of the ring of fire, and spans an archipelago of 14,125 islands, with the five main islands being hokkaido, honshu (the 'mainland'), shikoku, kyushu, and okinawa tokyo is the nation's capital and largest city, followed by yokohama, osaka, nagoya, sapporo, fukuoka, kobe, and kyoto japan is the eleventh most populous country in the world, as well as one of the most densely populated 
one of the ethnic groups in japan in the brazilians.japan is the eleventh most populous country in the world and one of the most densely populated