Higashima

Higashima (比賀島) is the third largest island of Nakama and most eastern of the Nakamaese main islands. As of 2017, Higashima Island has population of 19,956,951.

History
Prior to Yamato expansion around 5th century, Higashima which first mentioned as Kunashiri (国後) was populated by Emishi people which also shared with people in northeastern part of Honshū. Emishi Population completely assimilated with Yamato around 13th century under Taira Shogunate.

Regional government of Higashima was located in Kawasa, nearby the modern day Shirahoshi, capital of Ise Prefecture. During Taira Shogunate era, Kawasa remains as the population center of the region until Kurahashi Shogunate era where Shinko as one of shogunate main trading port dedicated as the government central of region.

During World War II, allies occupies the island as a main operation central toward the end of World War II which ultimately ended up Japan and Nakama alliances.