it an area of approximately 12200 km2.

The corridor is located between Bangladesh to the southeast, Nepal on the northwest, and Bhutan to the north. Between Sikkim and Bhutan lies the Chumbi Valley Tibetan territory. The southern end of the Dolam plateau or Doklam tri boundary area slopes into the corridor. At the narrowest stretch, the corridor is generally formed by the Mechi River in the east; Nepal's