Syniukha
Syniukha is a river in Ukraine, a left tributary of the Southern Bug, the basin of Black Sea. Its name means blue or of blue shade. It is long and its basin area is. It is formed at the confluence of its source rivers Tikych and Velyka Vys. It flows into the Southern Bug at Pervomaysk.
It is believed that in the mid 14th century here took place one of major battles between the Grand Duchy of Lithuania and the Ulus Jochi, the Battle of Blue Waters.