"Honshu had a population of 104 million as of 2017[update], mostly concentrated in the coastal areas and plains. Approximately 30% of the total population resides in ...
the Greater Tokyo Area on the Kantō Plain.[citation needed] As the historical center of Japanese cultural and political power,[citation needed] the island includes several past Japanese capitals, including Kyoto, Nara and Kamakura. Much of the island´s southern shore forms part of the Taiheiyō Belt, a megalopolis that spans several of the Japanese islands.
Most of Japan´s industry is located in a belt running along Honshu´s southern coast, from Tokyo to Nagoya, Kyoto, Osaka, Kobe, and Hiroshima;[citation needed] by contrast, the economy along the northwestern Sea of Japan coast is largely based on fishing and agriculture. The island is linked to the other three major Japanese islands by a number of bridges and tunnels. Its climate is humid and mild." - (en.wikipedia.org 05.02.2020)