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 km<sup>2</sup>. The total area is 117.24 km<sup>2</sup>.
Hiroshima Mitsubishi Heavy Industries in Gion closed its doors in 2003.
Former , now a part of the ward, has been a major production area for ' since Meiji era. Hiroshimana is a variety of Chinese cabbage and is the main material used for making Hiroshimanazuke (literally "pickled Hiroshimana").
In August 2014 many people died in a landslide after very heavy rain.