Hioki (日置郡; -gun) was a district located in Kagoshima, Japan. As of the merger of the town of Kinpou into the city of Minamisatsuma the district no longer exists. As of 2003, the district had an estimated population of 89,255 and the density of 191.71 persons per km². The total area was 465.58 km². Source: [wikipedia: hioki district, kagoshima]