本州

Proper noun

 * 1) Honshu, the main island of Japan.

Proper noun

 * 1) Honshu, the main island of Japan, with 100 million people, 4/5 of the Japanese population.

Usage notes
Since Honshu is much bigger and more populous than other islands of Japan, this word isn't used to specify an area in Japan. Smaller area names such as and  are used instead.