| population | |
| Blagoevgrad | 305123 |
| Burgas | 410331 |
| Gabrovo | 108404 |
| Haskovo | 228141 |
| Lovech | 124873 |
| Oblast Dobrich | 173831 |
| Oblast Kardzhali | 152873 |
| Oblast Kyustendil | 119041 |
| Oblast Montana | 129637 |
| population | |
| Oblast Pleven | 240380 |
| Oblast Ruse | 218556 |
| Oblast Shumen | 172355 |
| Oblast Silistra | 109271 |
| Oblast Sliven | 186495 |
| Oblast Smolyan | 105421 |
| Oblast Stara Zagora | 316356 |
| Oblast Targovishte | 111597 |
| Oblast Veliko Tarnovo | 235708 |
| population | |
| Oblast Vidin | 84865 |
| Oblast Vratsa | 162549 |
| Oblast Yambol | 118897 |
| Pazardzhik | 255479 |
| Pernik | 120880 |
| Plovdiv | 668334 |
| Sofia | 229041 |
| Sofia-Grad | 1328120 |
| Varna | 471252 |
