Hot summer cold winter zone

Hot-summer/cold-winter zone is the transient climate region between the cold and the hot zones in China. 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. The zone includes an area of 1,800,000 km2 (694,984 sq mi) with a population of 550 million people. This region is the most populous and economically-developed area of China, producing 48% of the gross domestic product (GDP) of the whole country.