What do both Hanchuan and Tongcheng, Anhui have in common?
Tongcheng, Anhui Tongcheng () is a county-level city and former county in Anhui under the jurisdiction of Anqing City. Its population is 744,000 and its area is 1571 square kilometers. Tongcheng is a famous cultural and historical city.
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.