Sirionó (Mbia Cheë;^[3] also written as Mbya, Siriono) is a Tupian (Tupi–Guarani, Subgroup II) language spoken by about 400 Sirionó people (50 are monolingual) and 120 Yuqui in eastern Bolivia (eastern Beni and northwestern Santa Cruz departments) in the village of Ibiato (Eviato) and along the Río Blanco in farms and ranches.

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Quick Facts Native to, Region ...

Sirionó
Mbia cheë
Native to	Bolivia
Region	Beni Department, Santa Cruz Department (Bolivia)
Ethnicity	Sirionó people, Yuqui people
Native speakers	300 (2012)[1]
Language family	Tupian Tupí–Guaraní Guarayu Sirionó
Official status
Official language in	Bolivia
Language codes
ISO 639-3	Variously: srq – Sirionó yuq – Yuqui (Yúki) jor – Jorá (Hora)†
Glottolog	siri1279  Siriono–Jora yuqu1240  Yuqui
ELP	Sirionó
	Yuki[2]
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Sirionó has phonemic contrasts between front, central, and back, close and mid vowels, i.e.