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.
Wudi, Shandong Wudi () was a town in and the seat of Wudi County, in the northern Shandong province, which is part of the People's Republic of China. In June 2010, with the approval of the provincial and Binzhou municipal governments, it was dissolved, and together with part of neighbouring Xinyang Township, formed Difeng (棣丰街道) and Haifeng Subdistricts (海丰街道).