Uyas

"Uyas" is also the former name of the village Oboddara in Tajikistan.

Uyas
Physical characteristics
Mouth	Iren
• coordinates	56°37′51″N 56°50′36″E
Length	27 km (17 mi)
Basin features
Progression	Iren→ Sylva→ Chusovaya→ Kama→ Volga→ Caspian Sea

The Uyas (Russian: Уяс) is a river in Perm Krai, Russia, a left tributary of the Iren, which in turn is a tributary of the Sylva. The river is 27 kilometres (17 mi) long.[1]

References

1. "Государственный водный реестр РФ: Уяс".