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.
Wuyishan, Fujian Wuyishan City () is a county-level city in the municipal region of Nanping, in the northwest of Fujian province, People's Republic of China. It corresponds to the former Chong'an County.