Iki (Iki City, Nagasaki Prefecture)
Overview (History, Features, and Attractions) Iki (Iki City, Nagasaki Prefecture) is a naturally rich island surrounded by the Tsushima Current and the Genkai Sea. It has a history of thriving as a key point of trade and exchange since ancient times. Many historical sites related to the Iki Kingdom, including the large-scale Yayoi period ruins of Harunotsuji, remain.