| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Olib | city | | Croatia | 44.375 | 14.7819444 | 91 | 828 |
| Oliveto | city | | Croatia | 43.3991667 | 16.2075 | 200 | 1951 |
| Olivetto | city | | Croatia | 43.3991667 | 16.2075 | 200 | 1951 |
| Oljasi | city | | Croatia | 45.4127778 | 17.5791667 | 859 | 4155 |
| Oljubine | city | | Croatia | 44.7219444 | 15.6363889 | 2457 | 3391 |
| Oltari | city | | Croatia | 44.8738889 | 14.9844444 | 3566 | 2268 |
| Oltre | city | | Croatia | 44.0833333 | 15.2 | 0 | 1088 |
| Oluici | city | | Croatia | 44.16 | 15.785 | 816 | 3430 |
| Oluići | city | | Croatia | 44.16 | 15.785 | 816 | 3430 |
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