Uru-Pa-In is an isolated Tupi–Guaraní language of the state of

Rondônia Rondônia () is one of the 26 states of Brazil, located in the northern subdivision of the country (central-western part). To the west is a short border with the state of Acre, to the north is the state of Amazonas, in the east is Mato Grosso ...

, in the Amazon region of

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

. Speakers have no permanent contact with the outside world.

References

Tupi–Guarani languages Unclassified languages of South America Mamoré–Guaporé linguistic area {{tupian-lang-stub