| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ostroye | city | Donets'ka Oblast' | Ukraine | 48.00 | 37.35 | 830 | 24746 |
| Ostroye | city | Ivano-Frankivs'ka Oblast' | Ukraine | 48.72 | 24.52 | 1669 | 6353 |
| Ostroye | city | Donets'ka Oblast' | Ukraine | 47.99 | 37.40 | 830 | 14691 |
| Ostroye-Plastikovo | city | Ryazanskaya Oblast' | Russia | 54.20 | 41.37 | 830 | 1048 |
| Ostroyevaya | city | Smolenskaya Oblast' | Russia | 55.70 | 33.51 | 889 | 535 |