Mugi is a town located in Kaifu District, Tokushima Prefecture, Japan. As of 30 June 2022, the town had an estimated population of 3,734 in 1971 households and a population density of 66 persons per km2. The total area of the town is 56.62 square kilometres (21.86 sq mi).

Tokushima Prefecture is a prefecture of Japan located on the island of Shikoku. Tokushima Prefecture has a population of 728,633 and has a geographic area of 4,146 km2. Tokushima Prefecture borders Kagawa Prefecture to the north, Ehime Prefecture to the west, and Kōchi Prefecture to the southwest.