Hachiōji (八王子市 Hachiōji-shi?) is a city in Tokyo, Japan, about 40 kilometers west of the center of the 23 special wards of Tokyo. As of June 30, 2014, the city had an estimated population of 563,265 and a population density of 3,023.26 persons per km². The total area is 186.31 km². It is the eighth largest city in the Greater Tokyo Area. The city is surrounded on three sides by mountains, forming the Hachioji Basin which opens up toward the east in the direction of Tokyo. The mountain ranges in the southwest include Mount Takao (599 m) and Mount Jinba (857 m), two popular hiking destinations which can be reached by train and bus, respectively. Two major national roads, Route 16 (which connects Kawagoe in the north with Yokohama in the south) and National Route 20, the former Kōshū Kaidō.