| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Okkore | city | Semenawi K'eyih Bahri | Eritrea | 15.32 | 40.05 | 3 | 505 |
| Okoli Ela | city | Semenawi K'eyih Bahri | Eritrea | 15.32 | 40.07 | 26 | 326 |
| Ona | city | Semenawi K'eyih Bahri | Eritrea | 15.80 | 38.46 | 4383 | 51826 |
| Orota | city | Semenawi K'eyih Bahri | Eritrea | 16.17 | 37.92 | 5869 | 5479 |
| Otumlo | city | Semenawi K'eyih Bahri | Eritrea | 15.63 | 39.42 | 65 | 9836 |