Tashkurgan Tajik Autonomous County, belonging to the Kashgar region of Xinjiang Uygur Autonomous Region, is located in the southwest of Xinjiang Uygur Autonomous Region. It is connected to Tajikistan, Afghanistan and Pakistan in the northwest, southwest and south respectively. It is connected to Yecheng County and Shache County in the southeast and east, and connected to Aktau County in the north.

Tashkurgan, which means "Stone City" in Uighur, is named after the ancient stone castle in the north of the city.

The administrative area of Tashkurgan Tajik Autonomous County is 25000 square kilometers. By the end of 2019, the registered residence population of Tashkurgan Tajik Autonomous County was 41188. There are Tajik, Kirgiz, Uygur, Han, Hui and other nationalities. The county has jurisdiction over 2 towns and 11 townships (including 1 ethnic township).

In 2019, the regional GDP of Tashkurgan Tajik Autonomous County was 1678.19 million yuan, the added value of the primary industry was 95.7 million yuan, the added value of the secondary industry was 506.57 million yuan, the general public budget revenue was 144 million yuan, and the general public budget expenditure was 2338.77 million yuan.

At an altitude of 8611 meters, Chogory Peak is the second highest peak in the world.

On September 25, 2018, it was awarded the honorary title of "2018 Comprehensive Demonstration County of E-commerce in Rural Areas" by the Ministry of Commerce. On January 25, 2019, it was selected as the national "safe agricultural machinery" demonstration county in 2018. On January 24, 2020, the People's Government of the Xinjiang Uygur Autonomous Region agreed to withdraw Tashkurgan Tajik Autonomous County from the poverty-stricken county sequence.