is a neighborhood in Tokyo, Japan. It extends from the Yushima section of Bunkyo-ku to the Kanda section of Chiyoda-ku. Sundai Preparatory School, Meiji University, Tokyo Medical and Dental University, and Juntendo University all have main campuses in the area. Ochanomizu Station on the Chà «à  Line is the transport hub of the district. Prior to the Great Kantà  earthquake, Ochanomizu University was also there; after the earthquake, it moved to its present location in the à Âtsuka neighborhood of Bunkyo-ku. Ochanomizu is also the location of the Holy Resurrection Cathedral (Nikorai-dà Â).
Ochanomizu is famous for its many musical instrument stores, as well as ski and snowboard shops located a short walk from the station; it is a popular district for bargain-conscious musicians and sportsmen.
Ocha-no-mizu literally means "tea water", after the nearby Kanda River from which water was extracted to make the shà Âgun's tea during the Edo period.