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Hamburg Wadden Sea National Park (German: Hamburgisches Wattenmeer) is the smallest of the three German Wadden Sea National Parks which protect the single ecological entity of the Wadden Sea 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 (German Bight) and includes the islands of Neuwerk, Scharhörn and Nigehörn. It is made up mainly of sand and mixed mudflats with shallow creeks, sand bars (Plaaten), and dune islands. In 2011 the national park was added to the Wadden Sea World Heritage Site, highlighting its intact intertidal ecosystem, importance as a breeding area for many species of birds, and uniquely high biodiversity.
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