The Uru language, also known as Iru-Itu (after one of the Uru tribes), Morato, or Muratu, is the language of the Uros

Uros

The Uros are a pre-Incan people who live on forty-two self-fashioned floating islands in Lake Titicaca Puno, Peru and Bolivia. They form three main groups: Uru-Chipayas, Uru-Muratos and the Uru-Iruitos...

, an Amerindian people. In the year 2000 it had 2 remaining native speakers out of an ethnic group of 100 to 150 people in the La Paz Department, Ingavi Province

Ingavi Province

Ingavi is a province in the La Paz Department, Bolivia. Its capital is Viacha.- Subdivision :Ingavi Province is divided into seven municipalities which are partly further subdivided into cantons.- Population :...

, near Lake Titicaca

Lake Titicaca

Lake Titicaca is a lake located on the border of Peru and Bolivia. It sits 3,811 m above sea level, making it the highest commercially navigable lake in the world...

 in Bolivia

Bolivia

Bolivia officially known as Plurinational State of Bolivia , is a landlocked country in central South America. It is the poorest country in South America...

, the rest having shifted to Spanish

Spanish language

Spanish , also known as Castilian , is a Romance language in the Ibero-Romance group that evolved from several languages and dialects in central-northern Iberia around the 9th century and gradually spread with the expansion of the Kingdom of Castile into central and southern Iberia during the...

 and Aymara

Aymara language

Aymara is an Aymaran language spoken by the Aymara people of the Andes. It is one of only a handful of Native American languages with over three million speakers. Aymara, along with Quechua and Spanish, is an official language of Peru and Bolivia...

. The language is close enough to the Chipaya language

Chipaya language

Chipaya is a native South American language of the Uru–Chipaya language family. The only other language in the grouping, Uru, is considered by some to be a divergent dialect of Chipaya. Ethnologue lists the language vitality as "vigorous," with 1200 speakers out of an ethnic population of around...

to sometimes be considered a dialect of that language.