The legal term “indian country” includes:

The term "indian country" means:
(a) all land within the limits of any Indian reservation under the juridisdiction of the United States Government, notwithstanding the insurance of any patent, and, including rights-of-way running through the reservation
(b) all dependent Indian communities with the borders of the United States whether within the original or subsequently acquired territory, therefore, and whether within or without the limits of the state
(c) all indian allotments, the Indian titles to which have not been extinguished, including rights-of-way running through the same.

The natural habitat around them