a city in Kwangtung Province, China, on the coast of the South China Sea. Population, more than 200,000 (1970). Chanchiang is a terminus of the Lit’ang-Chanchiang Railroad and a seaport. It has chemical, machine-building, construction, match, textile, and food-processing industries. From 1898 until 1945, Chanchiang was part of France’s Canton concession.