Japan Japan  is an island country in East Asia located in the northwest Pacific Ocean. It borders the Sea of Japan to the west, and it extends from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south. Japan is part of the Pacific Ring of Fire and comprises an archipelago of 6,852 islands covering 377,975 square kilometers (145,937 sq mi); its five main islands, from north to south,…