Tano is a town located in Aki District, Kōchi Prefecture, Japan. As of 31 July 2022, the town had an estimated population of 2,530 in 1309 households and a population density of 391 persons per km². The total area of the town is 6.53 square kilometres (2.52 sq mi). Over 1000 of the residents are over the age of 65. Tano is the smallest town by area on the island of Shikoku, and it is second in population density in Kōchi Prefecture, following Kōchi City.

Kōchi Prefecture is a prefecture of Japan located on the island of Shikoku. Kōchi Prefecture has a population of 669,516 and has a geographic area of 7,103 km2. Kōchi Prefecture borders Ehime Prefecture to the northwest and Tokushima Prefecture to the northeast.