The first chain of major archipelagos out from the East Asian continental mainland coast. Principally composed of the Kuril Islands, Japanese Archipelago, Ryu Kyu Islands, Taiwan, the northern Philippines, and Borneo; from the Kamchatka Peninsula to the Malay Peninsula
The next chain of archipelagos out from the East Asian continental mainland coast, beyond the first island chain. Principally composed of the Bonin Islands, Marianas Islands, Caroline Islands; from Honshu to New Guinea