Are Changyi, Shandong and Sanya both located in China?
Sanya Sanya () is the southernmost city on Hainan Island, and one of the four prefecture-level cities of Hainan Province, in Southeast China.
Huangdian, Shandong Huangdian () is a town of Dingtao County in southwestern Shandong province, China, located 11 km due east of the county seat. , it has 50 villages under its administration.