Non-Contacted Tribes Non-Contacted Tribes Or Voluntary Isolated - Undiscovered tribes SOUTH AMERICA Argentina: Mbya Guarani Brazil: Naua, Arara       http://forests.org/archive/brazil/cenlatlo.htm Colombia: Nukak Ecuador: Huaorani People of the Amazonia       http://www.peopleofthepath.com/Path-projectsummary.htm Taromenani Paraguay: Ayoreo in voluntary isolation Peru Mashco Piro Yora tribes http://www.peruforests.com/news/nyt0903.html   SOUTHEAST ASIA Papua New Guinea The Highlands - Thought to have undiscovered tribes. This is next to Indonesia and just above Australia