The National Natural Landscapes (NNL) are the alliance of German national parks, wilderness areas, nature parks and biosphere reserves. Together with people, they preserve fascinating nature on around a third of Germany's surface area, convey the joy of experiencing nature and shape the future sustainably with confidence. The umbrella brand "National Natural Landscapes" is supported by the associations Nationale Naturlandschaften e.V. and Verband Deutscher Naturparke e.V.