| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ostroh | city | Karlovarsky Kraj | Czech Republic | 50.13 | 12.28 | 1669 | 3246 |
| Ostroh | city | Rivnens'ka Oblast' | Ukraine | 50.33 | 26.51 | 830 | 4513 |
| Ostroha | city | Rivnens'ka Oblast' | Ukraine | 50.33 | 26.51 | 830 | 4513 |
| Ostrohas | city | Rivnens'ka Oblast' | Ukraine | 50.33 | 26.51 | 830 | 4513 |
| Ostrohe | city | Schleswig-Holstein | Germany | 54.21 | 9.14 | 19 | 6605 |