French Guiana is divided into two arrondissements, which are subdivided into communes. Here are two maps showing the communes:
one showing data 
and
one clickable . The table below shows
all of the communes of French Guiana.
| Commune | HASC | Population | Area(km.²) |
|---|
| Apatou | GF.SL.AP | 6,736 | 2,020 |
| Awala-Yalimapo | GF.SL.AY | 1,317 | 187 |
| Camopi | GF.CY.CM | 1,639 | 10,030 |
| Cayenne | GF.CY.CY | 56,002 | 24 |
| Grand-Santi | GF.SL.GS | 5,091 | 2,112 |
| Iracoubo | GF.CY.IR | 1,995 | 2,762 |
| Kourou | GF.CY.KR | 25,404 | 2,160 |
| Macouria | GF.CY.MC | 9,751 | 378 |
| Mana | GF.SL.MN | 9,109 | 6,339 |
| Maripasoula | GF.SL.MP | 8,529 | 18,360 |
| Matoury | GF.CY.MY | 28,407 | 137 |
| Montsinéry-Tonnegrande | GF.CY.MT | 2,234 | 621 |
| Ouanary | GF.CY.OU | 98 | 1,080 |
| Papaichton | GF.SL.PA | 4,832 | 2,678 |
| Régina | GF.CY.RK | 889 | 12,130 |
| Remire-Montjoly | GF.CY.RM | 19,691 | 46 |
| Roura | GF.CY.RO | 2,664 | 3,903 |
| Saint-Élie | GF.CY.SE | 556 | 5,680 |
| Saint-Georges | GF.CY.SG | 4,133 | 2,320 |
| Saint-Laurent-du-Maroni | GF.SL.SL | 38,657 | 4,830 |
| Saül | GF.SL.SA | 162 | 4,475 |
| Sinnamary | GF.CY.SI | 3,271 | 1,340 |
|
Change history (partial):
- 1879-10-15: Law passed authorizing the creation of communes in French Guiana. The first communes included Île-de-Cayenne
et Tour de l'Île, Rémire, Roura, and Tonnégrande-Montsinéry.
- 1891-02-25: Name of Tour de l'Île commune changed to Matoury.
- 1968: Maripasouli commune created.
- 1969-03-17: Approuague commune merged with Régina; La Comte commune merged with Roura; Moyenne Mana commune merged with
Mana; Samson commune merged with Saül; Grand-Santi-Papaïchton commune created.
- 1976-11-12: Apatou commune split from Grand-Santi-Papaïchton.
- 1988-12-31: Awala-Yalimapo commune split, probably from Mana. The date 1989-04-16 is also given.
- 1992: Grand-Santi-Papaïchton commune split into Grand-Santi and Papaïchton.
