Anhui does not completely belong to the South nor to the north. The dividing line between the South and the north of China is the Huaihe River, which passes through Anhui. The north of the Huaihe River belongs to the north and the south of the Huaihe River belongs to the south. According to this geographical location, Southern Anhui belongs to the South and Northern Anhui belongs to the north.
The North-South dividing line refers to the Qinling Huaihe River line. It is a geographical dividing line with multiple historical special significance in China. It is considered to be of great significance for understanding China's natural geographical laws and guiding agricultural production. Its geographical significance includes the dividing line of paddy field and dry land distribution, the dividing line of subtropical and warm temperate zones, etc.
Anhui Province, referred to as "Wan" for short, is a first-class administrative region of the people's Republic of China. Hefei, the provincial capital, is located in East China. It is about 450 kilometers wide from east to west and 570 kilometers long from north to south, with a total area of 140100 square kilometers. Anhui Province is composed of plains, hills and mountains. It crosses the three major water systems of Huaihe River, Yangtze River and Qiantang River. It is an important part of the Yangtze River Delta. It is located in the strategic hub of national economic development and the docking zone of several major domestic economic plates.