Hot summer cold winter zone
Hot-summer/cold-winter zone is the transient climate region between the cold and the hot zones in China. It includes the whole of Hubei, Hunan, Jiangxi, Anhui, Zhejiang provinces, Shanghai and Chongqing two municipalities, the eastern part of Sichuan and Guizhou provinces, the southern part of Henan, Jiangsu, Shanxi and Gansu provinces, and the northern part of Fujian, Guangdong and Guangxi provinces.
Source: Wikipedia — Hot summer cold winter zone (CC BY-SA 4.0)