There is not a sea in France (within its borders). France is bordered by the Mediterranean Sea on the south, the Atlantic Ocean on the west, and the English channel (known by the French as La Manche) at the north-west.
The bodies of water that France is in contact with are the Mediterranean Sea to the South-East, the Bay of Biscay and the Atlantic Ocean to the west, the English Channel to the North-West, and the North Sea, to its northern tip.
The Atlantic ocean borders France to the West. Close to Brittany (the Westernmost tip of France, part of it may be called "la mer d'Iroise", especially when professionals (fishermen, meteorologists, etc..) speak of that zone. Up from the Northern of Brittany there is the English Channel.
thereis only one ocean borduring mainland France, the Atlantic. There is a body of water to the North-west separating France from England: the English Channel, and a sea to the south : the Mediterranean.
France is located to the north of the country of Spain. To the north of France is Belgium, Germany, and Luxemburg. To the east of France is Switzerland and Italy. The water to the west of France is the North Atlantic Ocean. The water to the east is the Mediterranean Sea.
to the North, France is bordered by the English Channel, (joining the Atlantic and the North Sea); to the West, it is bordered by the Atlantic Ocean. To the South it is bordered by the Mediterranean Sea.