Input (grade 10): Gréasque is a commune northeast of Marseille in the department of Bouches-du-Rhône in the Provence-Alpes-Côte d'Azur region in southern France.
Output (grade 6): It is found in the region Provence-Alpes-Côte d'Azur in the Bouches-du-Rhône department in the south of France.