Are Yanzhou District and Haidong in the same country?
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.
Ding'an County Dìng'ān County (postal: Tingan) is an administrative district in Hainan, the China. It is one of 4 counties of Hainan. In 1999 its population was 304,522 people. The town of Dingcheng is located within the county.