Initially within the borders of Kamiura village, from 1955 until its merger with the city of Nagasaki in 2005, it was part of Sotome municipality.

Thousands of coal miners who lived on the island were formerly employed there, representing the vast majority of its population.

[3] As of 2021, only 111 individuals, mostly retired miners or their relatives, remained on the island.

The pond was destroyed in favour of turning it into a port.

This Nagasaki Prefecture location article is a stub.