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 93,027 and a density of 13,210 persons per km². The total area was 7.04 km². Geography Nishi Ward is located in eastern Kanagawa Prefecture, near the geographic center of the city of Yokohama. It is the smallest of the wards of the city in terms of area, but it includes Yokohama's major commercial hub, extending from the Yokohama Station area through the new Minato Mirai 21 complex, which is home to the Yokohama Landmark Tower, the second tallest building in Japan. The ward consists of lowlands through which the Tōkaidō Main Line and Route 1 pass. The northernmost, southernmost, and western areas are uplands. The Minato Mirai complex is built on reclaimed land, as was the Yokohama Station area.. Surrounding municipalities Hodogaya Ward Kanagawa Ward Naka Ward Minami Ward History Part of the domains of the Miura clan during and after the Kamakura period, the area of present-day Nishi Ward was part of the tenryō territory in Musashi Province controlled directly by the Tokugawa shogunate, but administered through various hatamoto or direct retainers of the shōgun. Parts of the territories of Kanagawa-juku and Hodogaya-juku, post stations on the Tōkaidō are within the borders of the present Ward. After the Meiji Restoration, the area was divided between the new Tachibana and Kuraki Districts in Kanagawa Prefecture and further divided into numerous villages. Yokohama's wards were established on October 10, 1927, with this area becoming part of the Kanagawa and Naka Wards. On April 1, 1944, Nishi became an independent ward within the city of Yokohama. Economy Nishi Ward is a regional commercial center and the main business district of modern Yokohama. The world headquarters of Nissan is located in Nishi Ward. Other major companies headquartered in the ward include: JGC Corporation Sagami Railway Okamura Corporation Kiyoken Co. Ltd. Ebara Foods Industry Computer System Engineering Co., Ltd. Chiyoda Corporation Japan Airlines at one time operated a domestic flights only ticketing facility in the Sky Building of the Yokohama City Air Terminal (YCAT) in Nishi-ku. On March 31, 2011 the ticket counter closed. Transportation Railroads East Japan Railway Company – Tōkaidō Main Line, Yokosuka Line, Shonan-Shinjuku Line, Keihin-Tōhoku Line, Negishi Line, Yokohama Line Keihin Electric Express Railway - Keikyū Main Line - Tokyu Corporation - Tōkyū Tōyoko Line