Aichi Prefecture is a prefecture of Japan located in the Chūbu region of Honshū.: 11, 126  Aichi Prefecture has a population of 7,552,873 and a geographic area of 5,172.92 square kilometres with a population density of 1,460 inhabitants per square kilometre. Aichi Prefecture borders Mie Prefecture to the west, Gifu Prefecture and Nagano Prefecture to the north, and Shizuoka Prefecture to the east. Nagoya is the capital and largest city of the prefecture.