Which city is more populated, Bengbu or Chenzhou?
Bengbu:  Its built-up ("or metro") area made of 4 urban districts has nearly one million residents, though the Prefecture-level city under its jurisdiction had 3,164,467 registered residents at the 2010 census. Chenzhou: Chenzhou () is a city located in the south of Hunan province, People's Republic of China. Chenzhou:  Its administrative area covers 19317 km2 , 9.2% of the provincial area, and its total population reached 4,559,600 in 2001, 26% of them living in urban areas, 74% of them live in rural areas.
Chenzhou