Are Wu'an and Qingyuan cities of the same level?
Qingyuan Qingyuan, formerly romanized as Tsingyun, is a prefecture-level city in northern Guangdong, China, on the banks of the Bei or North River. During the 2010 census, its total population was 3,698,412, out of whom 1,510,044 lived in the urbanized Qingcheng and Qingxin districtss. The primary spoken language is Cantonese. Covering 19,015 km² , Qingyuan is Guangdong's largest prefecture by land area. The urban core is surrounded by mountainous areas but is directly connected with Guangzhou and the Pearl River Delta by Highway 107.
Dongtai Dongtai () is a coastal county-level city under the administration of Yancheng, Jiangsu province, China. It has a population of roughly 1,170,000 estimated for 2007. Out of the total population, about 260,000 live in the Dongtai urban core, others are distributed in the 23 suburban towns and rural regions (Some famous towns include Touzao, Anfeng, Qingdong, Sancang, Qianggang, Fu'an, Tangyang, etc.). With some Yellow Sea coast, it borders the prefecture-level cities of Nantong to the south and Taizhou to the west, and is the southernmost county-level division of Yancheng.