Yvetot is a commune in the Seine-Maritime department in the Normandy region in northern France. It is the capital of the Caux region. The na…Yvetot is a commune in the Seine-Maritime department in the Normandy region in northern France. It is the capital of the Caux region. The name Yvetot comes from the Germanic Yvo and the Old Norse -topt. Therefore, Yvetot means 'property of Yvo'.