What is "shogakukan"

is a Japanese publisher of dictionaries, literature, manga, non-fiction, DVDs, and other media in Japan.

Shogakukan founded Shueisha, which also founded Hakusensha. These are three separate companies, but are together called the Hitotsubashi Group, one of the largest publishing groups in Japan. Shogakukan is headquartered in the Shogakukan Building in Hitotsubashi, Chiyoda, Tokyo, and the other two companies are located in the same ward.