| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Oaqui | city | Province of La Union | Philippines | 16.8586111 | 120.4202778 | 236 | 55373 |
| Oaquing | city | Province of La Union | Philippines | 16.6666667 | 120.3333333 | 242 | 19660 |
| Obobug | city | Province of La Union | Philippines | 16.7 | 120.4833333 | 902 | 18429 |
| Obug | city | Province of La Union | Philippines | 16.7 | 120.4833333 | 902 | 18429 |
| Old Centro | city | Province of La Union | Philippines | 16.85 | 120.4833333 | 1154 | 38282 |
| Ortega | city | Province of La Union | Philippines | 16.35 | 120.4166667 | 255 | 59366 |
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