is one of the 18 wards of the city of Yokohama in Kanagawa Prefecture, Japan. As of 2010, the ward had an estimated population of 209,565 and a density of 6,760 persons per km². The total area was . The ward symbol, established 1987, expresses the image of sea, waves, and a sea gull. History The area around present-day Kanazawa Ward has been inhabited for thousands of years. Archaeologists have found stone tools from the Japanese Paleolithic period and ceramic shards from the Jōmon period at numerous locations in the area. Under the Nara period Ritsuryō system, it became part of Kuraki District in Musashi Province. By the Kamakura period it was part of a shōen controlled by the Hōjō clan, who established a major seaport for the Kamakura shogunate at Mutsuura, and a noted library and educational center at Kanazawa Bunko. During the Edo period, much of the area was part of the tenryō territory in Musashi Province controlled directly by the Tokugawa shogunate, but administered through various hatamoto. In 1726, a large portion of the present ward came under the control of the newly established Mutsuura Domain ruled by the Yonekura clan. The area consisted of small farming and fishing villages. During the Bakumatsu period, the area offshore Kanazawa was an anchorage for the American black ships under command of Commodore Matthew C. Perry in 1853 and 1854. After the signing of the Treaty of Amity and Commerce in 1858, it was one of the first areas in Japan opened to foreign trade. In 1871, with the abolition of the han system following the Meiji Restoration, the area became part of Kuraki District in the new Kanagawa Prefecture. In 1887, Itō Hirobumi and a group of political scholars completed the final drafts of the Meiji Constitution while secluded in an inn in Kanazawa. In the cadastral reform of April 1, 1889, the area was divided into numerous villages. The area was connected by rail to Yokohama with the opening of the Shōnan Electric Railway (the predecessor of the modern Keihin Electric Express Railway in 1930. In October 1936, Kuraki District was abolished, and the area was absorbed into Yokohama City, becoming part of Isogo Ward. A large railway carriage factory was established in Kanazawa Ward in 1946 by the Tokyu Corporation on the site of a former Imperial Japanese Navy Technical Center. Kanazawa Ward gained its independence from