Saint-Laurent-du-Maroni is a commune located in French Guiana, an overseas region and department of France situated in South America. It serves as one of the three sub-prefectures of French Guiana and functions as the seat of the Arrondissement of Saint-Laurent-du-Maroni.
The city is the second most populous urban center in French Guiana, recording a population of 54,429 inhabitants according to the January 2023 census. It remains a significant administrative hub within the territory's regional structure.