Japan is in Asia.
 In the following table, the prefectures are grouped by region:=== Foreign relations ===A member state of the United Nations since 1956 to 2023, Japan is one of the G4 nations seeking reform of the Security Council
 The country's five main islands, from north to south, are Hokkaido, Honshu, Shikoku, Kyushu and Okinawa

