| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ostrovec | city | Plzensky Kraj | Czech Republic | 50.07 | 13.42 | 1669 | 2363 |
| Ostrovec | city | Plzensky Kraj | Czech Republic | 49.92 | 13.73 | 1145 | 5425 |
| Ostrovec | city | Vysocina | Czech Republic | 49.33 | 15.26 | 2060 | 2536 |
| Ostroveca Sventokšiska | city | Swietokrzyskie | Poland | 50.94 | 21.39 | 830 | 75848 |
| Ostrovel | city | Hunedoara | Romania | 45.50 | 22.85 | 1801 | 2023 |
| Ostrovenets | city | Vitebskaya Oblast' | Belarus | 55.25 | 28.63 | 830 | 769 |
| Ostroveni | city | Valcea | Romania | 45.08 | 24.38 | 830 | 78303 |
| Ostroveni | city | Valcea | Romania | 44.92 | 24.27 | 830 | 11388 |
| Ostroveni | city | Dolj | Romania | 43.80 | 23.90 | 141 | 9347 |
| Ostrovenii | city | Valcea | Romania | 44.92 | 24.27 | 830 | 11388 |
| Ostrovenka | city | Bryanskaya Oblast' | Russia | 53.74 | 33.30 | 830 | 1551 |
| Ostroverkhi | city | Kharkivs'ka Oblast' | Ukraine | 50.17 | 36.11 | 830 | 7543 |
| Ostroverkhivka | city | Kharkivs'ka Oblast' | Ukraine | 49.80 | 36.17 | 830 | 4436 |
| Ostroverkhivka | city | Poltavs'ka Oblast' | Ukraine | 50.36 | 33.90 | 830 | 2235 |
| Ostroverkhovka | city | Kharkivs'ka Oblast' | Ukraine | 49.80 | 36.17 | 830 | 4436 |
| Ostrovet | city | Kardzhali | Bulgaria | 41.40 | 25.38 | 869 | 4355 |
| Ostrovets | city | Grodnenskaya Oblast' | Belarus | 54.61 | 25.96 | 830 | 1490 |
| Ostrovets | city | Mogilevskaya Oblast' | Belarus | 54.04 | 30.52 | 830 | 1916 |
| Ostrovets | city | Kardzhali | Bulgaria | 41.40 | 25.38 | 869 | 4355 |
| Ostrovets | city | Swietokrzyskie | Poland | 50.94 | 21.39 | 830 | 75848 |
| Ostrovets | city | Pskovskaya Oblast' | Russia | 58.41 | 27.70 | 91 | 231 |
| Ostrovets | city | Ternopil's'ka Oblast' | Ukraine | 49.29 | 25.63 | 1023 | 5066 |
| Ostrovets | city | Ivano-Frankivs'ka Oblast' | Ukraine | 48.64 | 25.30 | 948 | 6711 |
| Ostrovets | city | Cherkas'ka Oblast' | Ukraine | 48.60 | 30.52 | 830 | 1281 |