Aichi Prefecture (愛知県, Aichi-ken, Japanese pronunciation: [aitɕi̥ꜜkeɴ]) is a prefecture of Japan located in the Chūbu region of Honshū.: 11, 126  Aichi Prefecture has a population of 7,552,873 (as of 1 October 2019) and a geographic area of 5,172.92 square kilometres (1,997.28 sq mi) with a population density of 1,460 inhabitants per square kilometre (3,800/sq mi). Aichi Prefecture borders Mie Prefecture to the west, Gifu Prefecture and Nagano Prefecture to the north, and Shizuoka Prefecture to the east. (Source: Wikipedia.org, CC BY-SA)