Mitaka is a city in the Western Tokyo region of Tokyo Metropolis, Japan. It is one of the municipalities that make up the western portion of the Tokyo metropolitan area rather than the central city core.
As of 1 March 2021, Mitaka had an estimated population of 190,403, with a population density of about 12,000 persons per square kilometre. The city covers a total area of 16.42 square kilometres (6.34 square miles), making it a comparatively small and densely settled municipality.