department has only one arrondissement, so that Guédiawaye is both a department and an arrondissement. The department /arrondissement/commune of Guédiawaye...

is bordered by Pikine (a city of almost one million people), Nimzat, Yeumbeul, Thiaroye Kao, Diaksaw and Darou Rahmane. Thiaroye-sur-Mer is bordered...