| population | |
| Obshtina Kotel | 18161 |
| Obshtina Nova Zagora | 35949 |
| population | |
| Obshtina Sliven | 118972 |
| Obshtina Tvarditsa | 13413 |
 | Bezmer Air Base | ~ 24.21 km |
| Stara Zagora Airport | ~ 60.76 km |
| Gorna Oryahovitsa Airport | ~ 71.16 km |
| Burgas Airport | ~ 101.37 km |
| Malevo Airfield | ~ 104.54 km |
| Ruse Airport | ~ 115.79 km |
| Plovdiv International Airport | ~ 135.22 km |
| Varna Airport | ~ 140.35 km |
 | Alexandroupoli Democritus Airport | ~ 203.17 km |
