The most authentic place of origin of chestnut sweet potato is considered to be the place near Qinling Mountain in Shaanxi Province. This place is very suitable for the cultivation of chestnut sweet potatoes due to its special geographical environment and climatic conditions, and the output of chestnut sweet potatoes is characterized by sweetness but not greasiness, rich aroma and delicate texture.

At the same time, with the development of agricultural technology and the promotion of varieties, now Hainan, Guizhou, Guangxi, Hunan, Yimeng Mountain area, Dalian Wafangdian, Hebei Qiangxi and other places are also planted with chestnut sweet potatoes, and each of them has formed a certain popularity and characteristics of the production area. For example, Hongjiang City in Hunan Province and Huixian City in Henan Province are also famous for the production of chestnut sweet potato white heart with delicious taste and unique aroma.

Additionally, it has been mentioned that the selenium-enriched chestnut potatoes of Chenggmai, Hainan, have an excellent taste, with a thin skin and a yellow heart, and a sweet and soft surface, which has been highly praised by diners.

To summarize, around the Qinling Mountains in Shaanxi Province is the traditional authentic origin of chestnut sweet potatoes, but many other areas of cultivation are also popular in the market and have high quality.