Turkménistan
Îles commençant par o
- Ogurja Ada
- Ostrov Ak-Sayra
- Ostrov Ata-Ada
- Ostrov Aulak
- Ostrov Bash-Dzhangel’
- Ostrov Bugulyar
- Ostrov Chakur-Dzhangel’
- Ostrov Chashman
- Ostrov Dag-Ada
- Ostrov Karaada
- Ostrov Karadashli
- Ostrov Klych
- Ostrov Kosh-Dzhangel’
- Ostrov Osushnoy
- Ostrov Sekstan
- Ostrov Shinkorenko
- Ostrov Taraba
- Ostrov Uzun-Ada
- Ostrov Yagly