is an administrative and postal area of Chiyoda, Tokyo, Japan. It was formerly Kanda-ku.
Many establishments are located in Hitotsubashi. In Hitotsubashi 1-chà Âme are the headquarters of the Mainichi Shimbun. In 2-chà Âme are Hitotsubashi University Chiyoda Campus, Josuikaikan Hall, alumni hall of Hitotsubashi University, Kyoritsu Women's University, Iwanami Shoten, Shogakukan, and Shueisha, as well as Hitotsubashi Group.
operates public elementary and junior high schools. Ochanomizu Elementary School () is the zoned elementary school for Hitotsubashi 1-2 chà Âme.
There is a freedom of choice system for junior high schools in Chiyoda Ward, and so there are no specific junior high school zones. Chiyoda Ward operates Chiyoda Kanda Hitotsubashi Junior High School () in Hitotsubashi.