| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Oasi | city | Debubawi K'eyih Bahri | Eritrea | 13.27 | 42.05 | 1669 | 745 |
| Omartu Barculli | city | Debubawi K'eyih Bahri | Eritrea | 13.95 | 41.08 | 3766 | 810 |
| Ona | city | Debubawi K'eyih Bahri | Eritrea | 14.56 | 40.96 | 830 | 894 |
| Ortoresu Bota | city | Debubawi K'eyih Bahri | Eritrea | 12.65 | 42.64 | 1033 | 0 |