What places do North China, Jianghuai, Huanghuai and Jianghan refer to respectively?

North China: generally refers to the area of two northern provinces and two cities in China 1, including Hebei, Shanxi, Beijing, Tianjin and parts of Inner Mongolia Autonomous Region.

Jianghuai: mainly refers to the areas where Jianghuai Mandarin is used.

Jianghuai area refers to the vast areas north of the Yangtze River, south of the Huaihe River, east of Dabie Mountain and west of the Yellow Sea.

(mainly including Jiangsu and most parts of Anhui; And a small part of Jiangxi and Hubei)

Huanghuai: It is located in the east of Henan Province in China, south of the Yellow River in the west of Shandong Province, and north of Huaihe River in Anhui Province and Jiangsu Province. It is located in the south of North China Plain. It is mainly formed by alluvial sediments in the lower reaches of the Yellow River and Huaihe River.

Jianghan: Jianghan Plain is an alluvial plain of the Yangtze River and the Han River. Located in the middle reaches of the Yangtze River. Together with Dongting Lake Plain, it is called Lianghu Plain. It is located in the south-central part of Hubei Province, starting from Zhijiang in the west, Wuhan in the east, Zhongxiang in the north and Dongting Lake Plain in the south.