Syniukha
The 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 with a basin area. It is formed at the confluence of its source rivers the Tikych and the Velyka Vys. It flows into the Southern Bug at Pervomaisk.
It is believed that in the mid-14th century one of the major battles between the Grand Duchy of Lithuania and the Ulus Jochi, the Battle of Blue Waters, took place here.
The of national importance is by the Yatran village, at the confluence of Yatran River and Syniukha.