cangzhou () is a prefecture-level city in eastern hebei province, people's republic of china. at the 2010 census, cangzhou's built-up ("or metro") area made of yunhe, xinhua districts and cang county largely being conurbated had a population of 1,205,814 inhabitants, while the prefecture-level administrative unit in total has a population of 7,134,062. it lies approximately from the major port city of tianjin, and from beijing.