The Dooars or Duars (in Bengali & Nepali) are the floodplains and foothills of the eastern Himalayas in North-East India around Bhutan.Duar means door in Nepali  and Bengali languages, and the region forms the gateway to Bhutan from India.

 The Western Dooars is known as the Bengal Dooars and the Eastern Dooars as the Assam Dooars. The Dooars valley (also called Duars) stretching from River Teesta on the west to River Sankosh on the east, an area coving roughly 130 km by 40 km, the Dooars forms major part of the Jalpaiguri district.