Yuyu (Yirau) is an extinct language or

dialect cluster A dialect is a variety of language spoken by a particular group of people. This may include dominant and standardized varieties as well as vernacular, unwritten, or non-standardized varieties, such as those used in developing countries or iso ...

of southern

South Australia South Australia (commonly abbreviated as SA) is a States and territories of Australia, state in the southern central part of Australia. With a total land area of , it is the fourth-largest of Australia's states and territories by area, which in ...

. Walsh treats Yuyu as a language with

Ngawait The Ngawait, also spelt Ngawadj and other variations, and also known as Eritark and other names, were an Aboriginal Australian people of the mid-Riverland region, spanning the Murray River in South Australia. They have sometimes been referred to ...

Erawirung The Erawirung (Yirawirung, Jirawirung) people, also known as Yirau, Juju and other names, were an Aboriginal Australian people whose traditional territory was located in what is today the Riverland of South Australia. They consisted of sub-groups ...

Ngintait The Ngintait, or Ngindadj, are an Australian Aboriginal peoples of the northwest corner of the state of Victoria, and partly in South Australia. Nine people, all of one family, claim descent from the tribe, which was dispersed in the 19th century. ...

, and Ngarkat as dialects; Berndt and Berndt (1993) list those as dialects related to Yuyu.Bowern, Claire. 2011.
How Many Languages Were Spoken in Australia?
, ''Anggarrgoon: Australian languages on the web'', December 23, 2011
corrected
February 6, 2012)

References

Lower Murray languages Extinct languages of South Australia {{ia-lang-stub