| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ograde | city | Brodsko-Posavska Zupanija | Croatia | 45.08 | 18.50 | 265 | 10157 |
| Ogradiska | city | Brodsko-Posavska Zupanija | Croatia | 45.15 | 17.25 | 301 | 23552 |
| Ogredak | city | Brodsko-Posavska Zupanija | Croatia | 45.19 | 18.42 | 246 | 10441 |
| Ogredak | city | Brodsko-Posavska Zupanija | Croatia | 45.17 | 18.36 | 275 | 10616 |
| Ogredak | city | Brodsko-Posavska Zupanija | Croatia | 45.16 | 17.94 | 265 | 4336 |
| Okol | city | Brodsko-Posavska Zupanija | Croatia | 45.19 | 17.58 | 341 | 3876 |
| Okrugljača | city | Brodsko-Posavska Zupanija | Croatia | 45.09 | 17.91 | 265 | 3042 |
| Okruglo | city | Brodsko-Posavska Zupanija | Croatia | 45.13 | 18.35 | 282 | 6078 |
| Okucani | city | Brodsko-Posavska Zupanija | Croatia | 45.26 | 17.20 | 390 | 9649 |
| Okucanski Benkovac | city | Brodsko-Posavska Zupanija | Croatia | 45.31 | 17.20 | 856 | 5418 |
| Okucanski Gredani | city | Brodsko-Posavska Zupanija | Croatia | 45.21 | 17.18 | 301 | 5412 |
| Okucsán | city | Brodsko-Posavska Zupanija | Croatia | 45.26 | 17.20 | 390 | 9649 |
| Okučanski Gređani | city | Brodsko-Posavska Zupanija | Croatia | 45.21 | 17.18 | 301 | 5412 |
| Opatovac | city | Brodsko-Posavska Zupanija | Croatia | 45.33 | 17.43 | 1043 | 1867 |
| Oprisavci | city | Brodsko-Posavska Zupanija | Croatia | 45.15 | 18.23 | 265 | 3432 |
| Oprisovci | city | Brodsko-Posavska Zupanija | Croatia | 45.15 | 18.23 | 265 | 3432 |
| Orbova | city | Brodsko-Posavska Zupanija | Croatia | 45.22 | 17.58 | 413 | 3194 |
| Oriovac | city | Brodsko-Posavska Zupanija | Croatia | 45.17 | 17.76 | 830 | 2876 |
| Oriovaci | city | Brodsko-Posavska Zupanija | Croatia | 45.17 | 17.76 | 830 | 2876 |
| Oriovčić | city | Brodsko-Posavska Zupanija | Croatia | 45.25 | 18.03 | 830 | 3240 |
| Orljača | city | Brodsko-Posavska Zupanija | Croatia | 45.15 | 17.56 | 311 | 13053 |
| Orubica | city | Brodsko-Posavska Zupanija | Croatia | 45.15 | 17.46 | 298 | 18371 |
| Osatno | city | Brodsko-Posavska Zupanija | Croatia | 45.09 | 17.80 | 262 | 3219 |
| Oskorus | city | Brodsko-Posavska Zupanija | Croatia | 45.19 | 18.32 | 265 | 10900 |
| Ostrovo | city | Brodsko-Posavska Zupanija | Croatia | 45.12 | 18.34 | 278 | 4902 |
| Otari | city | Brodsko-Posavska Zupanija | Croatia | 45.17 | 17.61 | 321 | 6430 |
| Ovar | city | Brodsko-Posavska Zupanija | Croatia | 45.18 | 17.98 | 301 | 6004 |
| Oštri Vrh | city | Brodsko-Posavska Zupanija | Croatia | 45.24 | 17.52 | 830 | 1461 |