is a Japanese geographical term.Deal, William E. (2005). Handbook to Life in Medieval and Early Modern Japan, p. 83. It means both an ancient division of the country and the main road running through it.Nussbaum, Louis-Frédéric. (2005). "Tōsandō," Japan Encyclopedia, p. 998. It is part of the Gokishichidō system.Nussbaum, "Goki-shichidō" at p. 255. It was situated along the central mountains of northern Honshu,Titsingh, Isaac. (1834). specifically the Tōhoku region.
This term also refers to a series of roads that connected the of each of the provinces that made up the region.
The Tōsandō region encompasses eight ancient provinces.Titsingh, Dewa Province Hida Province Kōzuke Province Mino Province Mutsu ProvinceAfter 718, Mutsu was subdivided to include Iwaki Province and Iwase Province. Ōmi Province Shimotsuke Province Shinano Province
After 711 AD, Tōsandō was understood to include the Musashi Province.Nussbaum, Louis-Frédéric. (2005). "Tōsandō" in .
See also Comparison of past and present administrative divisions of Japan Nakasendō (post-Sekigahara Tōsandō) Sanriku, neighbouring region
Notes
References Nussbaum, Louis-Frédéric and Käthe Roth. (2005). Japan encyclopedia. Cambridge: Harvard University Press. ; OCLC 58053128 Titsingh, Isaac. (1834). Annales des empereurs du Japon (Nihon Odai Ichiran). Paris: Royal Asiatic Society, Oriental Translation Fund of Great Britain and Ireland. OCLC 5850691