Indigenous peoples in Bolivia, or Native Bolivians, are Bolivian people who are of indigenous ancestry. They constitute anywhere from 40 to 70% of Bolivia's population of 11,306,341, depending on different estimates, and belong to 36 recognized ethnic groups. Aymara and Quechua are the largest groups. The geography of Bolivia includes the Andes, the Gran Chaco, and the Amazon Rainforest. An additional 30-68% of the population is mestizo, having mixed European and indigenous ancestry.