Awa Indigo is a well-known indigo dye produced in the Tokushima region. The indigo is derived from the Polygonaceae plant that is cultivated in the Yoshino river basin. This plant was first cultivated during the Kamakura Era in the Mima-gun region of Tokushima, later shifting to the Oe-gun region. By the Edo Era, the lower river basin of the Yoshino River had become an important centre for indigo production, and with the patronage and protection of the local government, Tokushima became the