Honshū

is the biggest island of Japan.Nussbaum, Louis-Frédéric. (2002). "Honshū" in Japan Encyclopedia, p. 351. The area is 227,960 km2

Honshū is also Japan's main island. It is south of Hokkaidō across the Tsugaru Strait, north of Shikoku(四国) across the Seto Inland Sea, and northeast of Kyūshū across the Kanmon Strait. It is the seventh biggest island, and is the island with the second highest number of people in the world after Java. 

Related pages
 Provinces of Japan
 Prefectures of Japan
 List of regions of Japan
 List of islands of Japan

References

Other websites 

  Murdoch's map of provinces, 1903