Terra Indigena Uru-Eu-Uaw-Uaw is an indigenous territory located in central Rondônia, Brazil. It has a contacted Indian population of around 168 people belonging to Amondaua, Uru Pa In, Juma, and Jupaú tribes (as of 2002[update]). There remains an unknown number of uncontacted Indians who belong to 4 to 6 different tribes like Jururei, Yvyraparaquara, Uru Pa In (uncontacted bands), and Parakua.[1] The uncontacted population was estimated at somewhere between 1,000 and 1,200 in 1986, but it has declined very steeply in the recent decades.[2] It is one of the most unsafe indigenous territories in Brazil and is regularly invaded by loggers and ranchers.[3] The Jururei tribe was subjected to mass killings in 2003 and 2005.[citation needed] Most of the Jupaú are now Christian, while the other tribes are entirely animist.[citation needed]