Which country contains County-level cities by the names of Wu'an and Langzhong?
Langzhong 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.
Fenyang Fenyang city (Chinese: 汾阳市; Pinyin: Fényáng Shì), formerly as Fenyang County (汾阳县) before 1996, is a county-level city under the administration of Lüliang prefecture-level city, in Shanxi Province, China.