Courseulles-sur-Mer , commonly known as Courseulles, is a commune in the Calvados department, Normandy, northwestern France. Until 1957, the town's name was simply Courseulles. It lies 3 km west of Bernières-sur-Mer and 18 km north of Caen.
It is a popular tourist destination not only with locals but also with international visitors who come to tour the Normandy landing beaches. The population of the town can reach 15,000 people in the summer months owing to the numerous summer homes, owned for the most part by Parisians. The town is split in two by the river Seulles.