Yu Jian, imperial relatives, etc.

Henan Province is located in the north and south, connecting the east and the west. The terrain is high in the west and low in the east. It is composed of plains and basins, mountains, hills, and water surfaces. It spans the four major river basins of Haihe River, Yellow River, Huaihe River, and Yangtze River. Most of it is located in the warm temperate zone, and the southern part crosses the subtropical zone. It has a continental monsoon climate that transitions from the northern subtropical zone to the warm temperate zone. Henan is located at the junction of the coastal open area and the central and western regions. It is the middle zone where China's economy is promoted from east to west.