Xinjiang borders the Tibet Autonomous Region and India 's Leh District to the south and Qinghai and Gansu provinces to the southeast , Mongolia to the east , Russia to the north , and Kazakhstan , Kyrgyzstan , Tajikistan , Afghanistan , Pakistan , and India to the west .
Xinjiang borders the Tibet Autonomous Region and Jammu and Kashmir 's Leh District to the south and Qinghai and Gansu provinces to the southeast , Mongolia to the east , Russia to the north , and Kazakhstan , Kyrgyzstan , Tajikistan , Afghanistan to the west , Pakistan , and Kashmir region to the southwest .