Ust-Karsk
Ust-Karsk 
    Усть-карск  | |
|---|---|
Location of Ust-Karsk  | |
| Coordinates: 52°42′43″N 118°49′10″E / 52.7120°N 118.8194°E | |
| Country | Russia | 
| Federal subject | Zabaykalsky Krai | 
| Administrative district | Sretensky District | 
| Population | |
 • Total  | 1,899 | 
 • Estimate  (2018)  | 1,688 (−11.1%) | 
| Time zone | UTC+9 (MSK+6 ) | 
| Postal code(s) | 673562  | 
| OKTMO ID | 76640156051 | 
Ust-Karsk (Russian: Усть-карск), formerly known as Ust-Kara (Russian: Усть-кара) is an urban-type settlement in the Sretensky District of Zabaykalsky Krai, Russia. The settlement is located on the northern bank of the Shilka River, near the mouth of its left tributary, the Kara River.
Population: 1,899 (2010 Census); 2,035 (2002 Census); 2,541 (1989 Soviet census).
The name of the town means "Kara mouth".