city, Saitama ken (prefecture), Honshu, Japan, lying on the alluvial plain between the Tone and the Ara rivers. The site was settled in ancient times, and Oshi Castle was constructed there in 1490. During the Tokugawa period (1603–1867) the manufacture of tabi (socks) was introduced into Gyōda. This industry grew steadily until the end of World War II, when it was gradually replaced by clothing manufacture. Electric appliances and rubber goods are also produced in Gyōda, and rice paddies surround the city. Pop. (2005) 88,815.