The Japanese archipelago (Japanese: 日本列島, Nihon rettō) is a group of 6,852 islands that form the country of Japan as well as the Russian island of Sakhalin.It extends over 3,000 km (1,900 mi) from the Sea of Okhotsk in the northwest to the East China and Philippine Seas in the southwest along the Pacific Ocean coast of the Eurasian continent, and consists of three island arcs from ...

Prehistoric Korean peninsular influences on the Japanese archipelago. Between 800 and 600 BC, new technology and cultural objects began appearing in Japan, starting in Kyushu. Gradually the Jōmon culture was supplanted across Japan by the Yayoi culture that practiced wet-rice farming. According to the historians Gina Barnes and Satoru Nakazono, this represented a cultural flow …