關東平原
Mitaka is located on the Kantō Plain, just outside the 23 special wards of Tokyo Metropolis, which are on its eastern borders. The Tamagawa Aqueduct canal, which runs alongside Mitaka station, has an important place in history, built in 1653 to feed the local metropolis. It is also the place where novelist Osamu Dazai committed suicide in 1948. The National Astronomical Observatory of Japan is located in Mitaka.