Langzhong is a county-level city in northeastern Sichuan, China, located on the middle reaches of the Jialing River.
 It is administered as part of the prefecture-level city of Nanchong.
 Langzhong has a total population of 840,000, with 200,000 residing in the urban area.
Huaibei () is a prefecture-level city in northern Anhui Province, China.
 It borders Suzhou to the east, Bengbu to the south, Bozhou to the west, and the province of Henan to the north.
 The population was 2,114,276 inhabitants at the 2010 census, all in the built-up area, comprising 3 urban districts and Suixi County largely being built.

Question: Langzhong and Huaibei, are in which country?
Answer: China