Cuxhaven is a district in Lower Saxony, Germany. It is bounded by the districts of Stade, Rotenburg, Osterholz and Wesermarsch, the city of Bremerhaven and the North Sea.
Wikipedia https://en.wikipedia.org/wiki/Cuxhaven_(district)
Coordinates 53°52'7.608" N 8°41'53.829" E