Port of Caión, A Coruña, Spain.

The terms cayo, cayón and caión derive from the Galician cagio, meaning hedge or enclosed field. Originally, the term may well have denoted a stone dam in a river; in French quai this meaning is preserved. The term is found in Roman place names such as Caiocum, now Cayeux-sur-Mer, Caiunus and Cagius. vorherrschende Windrichtung ist Nordwest.The harbour is relatively sheltered on the east side of the peninsula on which the village is located. The prevailing wind direction is northwest.