Tungiro-Olyokminsky District

The Tungir () is a river in Transbaikalia, East Siberia, Russian Federation. It is the third largest tributary of the Olyokma in terms of length and area of its basin. The river is long and has a drainage basin of . The Tungir is known as the Shiroky Brook (ручей Широкий) in its uppermost stretch. Almost all of its basin is in the Olyokma-Stanovik Highlands area.

human settlement in Russia