What does Sanjiang mean?

Xinjiang, southern Xinjiang, northern Xinjiang. Xinjiang was called the Western Region in ancient times, and the word "Western Region" specifically refers to the geographical scope of Xinjiang, which lasted from ancient times to the reign of the Middle Leaf Qianlong in the Qing Dynasty. Three Xinjiang refers to Xinjiang, southern Xinjiang and northern Xinjiang. Southern Xinjiang has been a multi-ethnic community since ancient times. The arts and colorful customs of Han, Uygur, Tajik, Kirgiz and other ethnic groups constitute a humanistic landscape with strong national characteristics.