Kozelsk
| Kozelsk Козельск | |
|---|---|
| Saint Nicholas church | |
| Location of Kozelsk | |
| Coordinates: 54°02′07″N 35°46′36″E / 54.03528°N 35.77667°E | |
| Country | Russia | 
| Federal subject | Kaluga Oblast | 
| Administrative district | Kozelsky District | 
| First mentioned | 1146 | 
| Elevation | 150 m (490 ft) | 
| Population | |
|  • Total | 18,245 | 
| • Capital of | Kozelsky District | 
| • Municipal district | Kozelsky Municipal District | 
| • Urban settlement | Kozelsk Urban Settlement | 
| • Capital of | Kozelsky Municipal District, Kozelsk Urban Settlement | 
| Time zone | UTC+3 (MSK ) | 
| Postal code(s) | 249720, 249722, 249723, 249725, 249739 | 
| Dialing code(s) | +7 48442 | 
| OKTMO ID | 29616101001 | 
| Website | kozelsk-adm | 
Kozelsk (Russian: Козе́льск) is a town and the administrative center of Kozelsky District in Kaluga Oblast, Russia, located on the Zhizdra River (a tributary of the Oka), 72 kilometers (45 mi) southwest of Kaluga, the administrative center of the oblast. Population: 16,759 (2021 Census); 18,245 (2010 Census); 19,907 (2002 Census); 19,735 (1989 Soviet census).