Saint-Tropez is a commune in the Var department and the region of Provence-Alpes-Côte d'Azur, Southern France. It is 68 kilometres west of Nice and 100 kilometres east of Marseille, on the French Riviera, of which it is one of the best-known towns. In 2018, Saint-Tropez had a population of 4,103. The adjacent narrow body of water is the Gulf of Saint-Tropez, stretching to Sainte-Maxime to the north under the Massif des Maures.