Which two countries does the Wakhan Corridor separate?

The Wakhan Corridor separates Tajikistan and Pakistan. The Wakhan Corridor is a narrow strip of land in Afghanistan that connects to China.\nThe Wakhan Corridor is a mountainous land bridge that’s about 350 kilometers long and 16–64 kilometers wide.\nIt runs from the Gorno-Badakhshan region of Tajikistan to the Khyber Pakhtunkhwa and Gilgit-Baltistan regions of Pakistan.\nThe Wakhan Corridor ends at a border with China’s Xinjiang province.\nThe Wakhan River flows through the corridor from east to west.\nThe Hindu Kush mountains border the corridor to the south