| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Оглед | city | Smolyan | Bulgaria | 41.45 | 24.83 | 3349 | 5364 |
| Орещница | city | Smolyan | Bulgaria | 41.62 | 24.80 | 3710 | 7572 |
| Оряховец | city | Smolyan | Bulgaria | 41.62 | 24.98 | 2509 | 3436 |
| Осиката | city | Smolyan | Bulgaria | 41.43 | 24.83 | 2870 | 5541 |
| Оскрушево | city | Smolyan | Bulgaria | 41.48 | 24.85 | 2713 | 5252 |
| Остри Пазлак | city | Smolyan | Bulgaria | 41.55 | 24.83 | 2936 | 6837 |