Chang ning zhen is located in the northeast of Yongshou County, Shaanxi Province, and the town government residence is 32 kilometers away from the county seat. It faces a foreign land in the east, Jiagong Township in the south, Mafang Town in the west and Quzi Township in the north, with an area of 7 1.5 square kilometers. Changning has a long history. 1984 changed to Changning Township in June, and changed to chang ning zhen in July of the same year. It has jurisdiction over 25 administrative villages, 68 villagers' groups, 3,806 households and16,807 people, with a total cultivated land of 39,625.8 mu.