1) Uninhabited island of Germany 
Mellum is an uninhabited island lying southeast of Wangerooge, off the coastal settlements of Horumersiel and Schillig. Mellum formed as an island off the end of the Butjadingen peninsula – which divides the outflows into the Wadden Sea of the Jade and Weser rivers – only at the end of the nineteenth century. It is chiefly composed of dunes an...