Coordinates: 34°23′56″N 132°35′26″E / 34.3989°N 132.5906°E
Aki-ku (安芸区?) is one of the eight wards of the city of Hiroshima, Japan.
As of November 1, 2005, the ward has an estimated population of 76,858 and a density of 817.55 persons per km². The total area is 94.01 km².