Flag of Kanagawa Prefecture, Japan

Kanagawa Prefecture (神奈川県, Kanagawa-ken) is a prefecture of Japan located in the Kantō region of Honshu. Kanagawa Prefecture is the second-most populous prefecture of Japan at 9,221,129 (1 April 2022) and third-densest at 3,800 inhabitants per square kilometre (9,800/sq mi). Its geographic area of 2,415 km2 (932 sq mi) makes it fifth-smallest. Kanagawa Prefecture borders Tokyo to the north, Yamanashi Prefecture to the northwest and Shizuoka Prefecture to the west. Yokohama is the capital and largest city of Kanagawa Prefecture and the second-largest city in Japan, with other major cities including Kawasaki, Sagamihara, and Fujisawa. Kanagawa Prefecture is located on Japan's eastern Pacific coast on Tokyo Bay and Sagami Bay, separated by the Miura Peninsula, across from Chiba Prefecture on the Bōsō Peninsula. Kanagawa Prefecture is part of the Greater Tokyo Area, the most populous metropolitan area in the world, with Yokohama and many of its cities being major commercial hubs and southern suburbs of Tokyo. Kanagawa Prefecture was the political and economic centre of Japan during the Kamakura period when Kamakura was the de facto capital and largest city of Japan as the seat of the Kamakura shogunate from 1185 to 1333. Kanagawa Prefecture is a popular tourist area in the Tokyo region, with Kamakura and Hakone being two popular side trip destinations.