Keiyō Industrial Zone

Keiyō Industrial Zone, industrial region in east-central Japan that, along with the Keihin Industrial Zone, is part of the Tokyo-Yokohama metropolitan area. Keiyō is neither an administrative nor a political entity. It occupies part of Chiba prefecture (ken) on the Bōsō Peninsula, along the northeastern shore of Tokyo Bay, and lies just east of Tokyo. This area along the bay was formerly used for seaweed collection, fishing, and resorts. Development of heavier industry began with...