Tōsandō

Tōsandō (東山道, literally, "eastern mountain circuit" or "eastern mountain region") is a Japanese geographical term.

[1] It means both an ancient division of the country and the main road running through it.

[3] It was situated along the central mountains of northern Honshu,[4] specifically the Tōhoku region.

This term also refers to a series of roads that connected the capitals (国府, kokufu) of each of the provinces that made up the region.

[5] After 711 AD, Tōsandō was understood to include the Musashi Province.