Kaimondake , or Mount Kaimon, is an undissected volcano – consisting of a basal stratovolcano and a small complex central lava dome – which rises to a height of 924 metres above sea level near the city of Ibusuki in southern Kyūshū, Japan. The last eruption occurred in the year 885 CE. Because of its conic shape, Mt. Kaimon is sometimes referred to as "the Fuji of Satsuma".

Ibusuki is a city located in Kagoshima Prefecture, Japan, founded on April 1, 1954. In March 1, 2012, the city had an estimated population of 43,931, with 19,119 households and a population density of 294.82 persons per km2. However the census of 2020 confirmed a population decline to 39,011 and by October 2022 there were only 17,537 households. The total area is 148.81 km2 (57.46 sq mi) and shares a border with Ei, a town to its north.