Does Yangzhou, Jiangsu belong to East China or South China? If not, which district do you belong to?

Hello Jiangsu Yangzhou belongs to East China, including Jiangsu, Zhejiang, Anhui, Fujian, Jiangxi, Shandong, Shanghai and Taiwan Province provinces (including seven provinces and one city in Taiwan Province Province). South China only includes Guangdong (including dongsha islands), Guangxi, Hainan (including South China Sea Islands), Hong Kong and Macau.