| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ostrovichnoye | city | Arkhangel'skaya Oblast' | Russia | 63.49 | 40.74 | 223 | 149 |
| Ostrovino | city | Nizhegorodskaya Oblast' | Russia | 56.88 | 43.70 | 282 | 301 |
| Ostrovishche | city | Novgorodskaya Oblast' | Russia | 58.56 | 30.48 | 177 | 298 |
| Ostrovishchi | city | Vladimirskaya Oblast' | Russia | 55.93 | 39.05 | 416 | 1590 |