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.
Lianshui County Lianshui County () is under the administration of Huai'an, Jiangsu province, China. The northernmost county-level division of Huai'an, it borders the prefecture-level cities of Lianyungang to the north, Yancheng to the east, and Suqian to the west.