- Japan, Japanese Islands, Japanese Archipelago - a string of more than 3,000 islands east of Asia extending 1,300 miles between the Sea of Japan and the western Pacific Ocean
--1 is a kind of archipelago
--1 is a part of Pacific, Pacific Ocean
--1 has parts:Hokkaido, Ezo, Yezo; Honshu, Hondo; Kyushu; Shikoku; Osaka Bay