Which country contains County-level cities by the names of Wu'an and Langzhong?
Wu'an Wu'an () is a County-level city in the prefecture level city of Handan, Hebei province, China.
Huoshan County Huoshan () is a county of western Anhui province, People's Republic of China, and is under the jurisdiction of Lu'an City. It has a population of 370,000 and an area of 2042 km2 . The government of Huoshan County is located in Hengshan Town.