Japan

Japan 日本国 Nihon-koku Flag Imperial Seal Anthem: Kimi ga Yo (君が代, Kimi ga Yo?) ("May your reign last forever") Government Seal Paulownia (五七桐, Go-Shichi no Kiri?) Capital (and largest city) Tokyo (de facto)1 35°41′N 139°46′E / 35.683, 139.767 Official languages Japanese (de facto) Demonym Japanese Government Parliamentary constitutional monarchy - Emperor Akihito - Prime Minister Taro Aso Legislature National Diet - Upper House House of Councillors - Lower House House of Representatives