Yanzhou District and Yizheng, are in which country?
Yizheng Yizheng () is a county-level city under the administration of Yangzhou, Jiangsu province, China, with a population of about 600,000 (2007). It borders the prefecture-level divisions of Chuzhou (Anhui) to the north and Nanjing to the west.
Yanchi County Yanchi County () is a county under the administration of Wuzhong city in Ningxia Hui Autonomous Region of the People's Republic of China. Covering a total area of 6787 square kilometers, it has a population of about 150,000 people.