The Hamburg Wadden Sea National Park is the smallest of the three German Wadden Sea National Parks which protect the single ecological entity of the Waddensea of Hamburg reaching from Den Helder to Esbjerg.
It is an exclave of the city state of Hamburg in North Germany and lies 12.5 km off Cuxhaven in the estuary of the Elbe in the North Sea and includes the islands of Neuwerk, Scharhörn and Nigehörn. It is made up mainly of sand and mixed mudflats with shallow creeks, sand bars and the aforementioned dune islands.
Wikipedia https://en.wikipedia.org/wiki/Hamburg_Wadden_Sea_National_Park
Official website http://www.nationalpark-wattenmeer.de/hh
Phone +49 4721 69 271
Address Nationalpark-Station Neuwerk, Turmwurt, 27499 Insel Neuwerk, Germany
Coordinates 53°56'7.184" N 8°28'21.698" E