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.
Sanjiang, Hainan Sanjiang () is a town in Meilan District, in the southeastern suburbs of Haikou, Hainan, People's Republic of China, and is located 16 km southeast of Haikou Meilan International Airport. , it has one residential community (社区 ) and eight villages under its administration.