Official nameNihon (or Nippon) Koku (Land of the Rising Sun)CapitalTokyoPopulation estimate (2015)126·57 millionInternet domain extension.jpCurrencyThe unit of currency is the yen (JPY).TerritoryJapan, located in the Pacific Ocean, consists of four major islands, Honshu, Hokkaido, Kyushu and Shikoku, and many small islands.LanguageThe official language is Japanese.Source: The Statesman's Yearbook 2018. Palgrave Macmillan, London Synonyms and related words