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.
Hedong District, Linyi Hedong (河东区) is a district of Linyi in the Chinese province of Shandong. It has an area of 727.63 km² and around 600,000 inhabitants (2003).