Moyu County, established in 1919, was named after the Karakash River. Karakash is a Uighur language, which means black jade and black jade. The atlas of the Western Regions of the Qinding Emperor Yu was made of Hara Hash, and the Xinjiang Knowledge Strategy was made of Hara Hash. According to the Tongwen Annals of the Western Regions, "Hala is black, and the river is rich in black jade, so it is named." By the end of 2019, the registered residence of Moyu County was 650548. By 2020, Moyu County has jurisdiction over 5 towns, 11 townships and 3 streets.

Moyu County is located in the southwest of Xinjiang Uygur Autonomous Region, facing Hotan County and Luopu County with the Karakash River as the boundary in the east, bordering on the Gobi and Pishan County in the west, reaching the northern foot of the Karakoram Mountains in the south, and bordering on Awati County in the Taklimakan Desert in the north, with an administrative area of 25608 square kilometers.

In 2019, the gross regional product of Moyu County was 7344.62 million yuan, the added value of the primary industry was 2147.4 million yuan, the added value of the secondary industry was 1256.13 million yuan, the general public budget revenue was 308.37 million yuan, and the general public budget expenditure was 8754.37 million yuan.

On July 11, 2018, Moyu County was selected as the first batch of "intangible cultural heritage+poverty alleviation" key support areas.

In 2020, Moyu County will withdraw from the poverty-stricken county sequence and achieve poverty alleviation.