| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Oya | city | Galicia | Spain | 42.19 | -8.80 | 160 | 71114 |
| Oya | city | Galicia | Spain | 42.00 | -8.87 | 1669 | 2315 |
| Oyardo | city | Euskadi | Spain | 42.99 | -2.93 | 2509 | 2842 |
| Oyeregui | city | Navarra | Spain | 43.14 | -1.62 | 830 | 2443 |
| Oyon | city | Euskadi | Spain | 42.51 | -2.44 | 1669 | 52159 |
| Oyón/Oion | city | Euskadi | Spain | 42.51 | -2.44 | 1669 | 52159 |