Shogakukan Inc. (株式会社小学館, Kabushiki gaisha Shōgakukan) 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, part of Kanda, Chiyoda, Tokyo, near the Jimbocho book district. The corporation also has the other two companies located in the same ward.