| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Обь | city | Novosibirskaya Oblast' | Russia | 54.99 | 82.72 | 301 | 30804 |
| ОбьГЭС | city | Novosibirskaya Oblast' | Russia | 54.87 | 82.96 | 393 | 19893 |
| Обьедово | city | Ivanovskaya Oblast' | Russia | 56.60 | 40.96 | 367 | 1698 |
| Обья | city | Laane-Virumaa | Estonia | 59.18 | 26.63 | 295 | 719 |