| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ostrokaptsi | city | Vidin | Bulgaria | 43.73 | 22.69 | 830 | 1800 |
| Ostrokapzi | city | Vidin | Bulgaria | 43.73 | 22.69 | 830 | 1800 |
| Ostrokollen | city | Warminsko-Mazurskie | Poland | 53.72 | 22.43 | 830 | 4567 |
| Ostrokollen Kreis Lyck | city | Warminsko-Mazurskie | Poland | 53.72 | 22.43 | 830 | 4567 |
| Ostrokollen, Scharfenrade | city | Warminsko-Mazurskie | Poland | 53.72 | 22.43 | 830 | 4567 |
| Ostrokon'ye | city | Vologodskaya Oblast' | Russia | 59.85 | 42.04 | 830 | 298 |
| Ostrokon’ye | city | Vologodskaya Oblast' | Russia | 59.85 | 42.04 | 830 | 298 |
| Ostrokovka | city | Zaporiz'ka Oblast' | Ukraine | 47.26 | 35.89 | 216 | 1349 |