Comparison of past and present administrative divisions of Japan

The geography and administrative subdivisions of Japan have evolved and changed during the course of its history.

[1][2] Tōkaidō literally means 'Eastern Sea Way'.

[3] The term also identifies a series of roads connecting the 15 provincial capitals of the region.

[4] The Tōsandō is a region which straddles the central mountains of northern Honshū.

[5] The descriptive name also refers to a series of roads connecting the provincial capitals.