The 3 arrondissements of the Guyane department are:Arrondissement of Cayenne, with 10 communes. The population of the arrondissement was 180,493 in 2021. Arrondissement of Saint-Georges, with 4 communes. The population of the arrondissement was 8,557 in 2021. Arrondissement of Saint-Laurent-du-Maroni, with 8 communes. The population of the arrondissement was 97,568 in 2021.