What places do Jiangsu, Zhejiang and Shanghai include?

Jiang (Jiangsu) Zhejiang (Zhejiang) Shanghai (Shanghai)

At present, there is no clear official definition of "Jiangsu, Zhejiang and Shanghai". Generally speaking, it is divided into two concepts: broad and narrow. "Jiangsu, Zhejiang and Shanghai" in a broad sense refers to all areas under the jurisdiction of Jiangsu Province, Zhejiang Province and Shanghai, while "Jiangsu, Zhejiang and Shanghai" in a narrow sense usually refers to *** 16 cities including the Yangtze River Delta region under the jurisdiction of Jiangsu Province and Zhejiang Province: Shanghai and Jiangsu. Hangzhou, Ningbo, Shaoxing, Jiaxing, Huzhou, Zhoushan and Taizhou in Zhejiang Province are recognized as one of the six metropolitan areas in the world.