Provinces of Gabon
The nine provinces of Gabon form the largest administrative units of the state of Gabon .
| province | Capital | ISO code |
|---|---|---|
| Estuaire | Libreville | GA-1 |
| Haut-Ogooué | Franceville | GA-2 |
| Moyen-Ogooué | Lambaréné | GA-3 |
| Ngounié | Mouila | GA-4 |
| Nyanga | Tchibanga | GA-5 |
| Ogooué-Ivindo | Makokou | GA-6 |
| Ogooué-Lolo | Koulamoutou | GA-7 |
| Ogooué-Maritime | Port Gentil | GA-8 |
| Woleu-Ntem | Oyem | GA-9 |
The provinces are in turn divided into 37 different departments .