Cozes is a commune in the Charente-Maritime department in southwestern France in the region of Nouvelle-Aquitaine. Its inhabita…Cozes is a commune in the Charente-Maritime department in southwestern France in the region of Nouvelle-Aquitaine. Its inhabitants are Cozillions. The town of Cozes forms part of the urban community Royan, which, as of 2006, had a total population of 72,136 inhabitants.