KOSHIGAYA

city, Saitama ken (prefecture), Honshu, Japan. It lies on the alluvial plain of the Naka and Edo rivers. The city was a post town and marketplace until it was connected to Tokyo by railway in 1899. After World War II it grew rapidly in conjunction with Soka, to the south. Industrial products include chemicals, leather, and machinery. Pop. (1991 est.) 288,489.