Asaminami-ku (安佐南区) is one of the eight wards of the city of Hiroshima, located in the south of former . Asa District consisted of , , , . After being merged with Hiroshima in 1973, this ward was named Asaminami-ku. The largest station of Astramline, a new traffic system, is in Asaminami-ku. This system brought population inflow. As of January 1, 2018, the ward has an estimated population of 245,475, with 101,941 households and a density of 2094 persons per km². The total area is 117.24 km².