Which is a prefecture level city, Haidong or Fengzhen or both?
Haidong Haidong (; Wylie: Haitung) is a prefecture-level city of Qinghai province in Western China. Its name literally means "east of the (Qinghai) Lake." On 8 February 2013 Haidong was upgraded from a prefecture () into a prefecture-level city. Haidong is the second largest city in Qinghai after Xining.
Yangyuan County Yangyuan County () lies in the municipal region of Zhangjiakou, Hebei province in North China.