PortalU is managed by the Coordination Center PortalU at the Environmental, Energy and Climate Protection Ministry of Lower Saxony, Hannover, Germany. Development and maintenance of the portal is financed by a administrative agreement between the German Federal States (Länder) and the Federal Government.

Coordination Center PortalU

c/o Nieders. Ministerium für Umwelt, Energie und Klimaschutz
Archivstrasse 2
D-30169 Hannover

Overall Responsibility

Dr. Fred Kruse


wemove digital solutions GmbH

chives - Büro für Webdesign Plus


TechniData IT Service GmbH

Liability Disclaimer

The Environment Ministry of Lower Saxony (Niedersächsisches Umweltministerium) does not take any responisbility for the content of web-sites that can be reached through PortalU. Web-sites that are included in the portal are evaluated only technically. A continuous evaluation of the content of the included web-pages in neither possible nor intended. The Environment Ministry of Lower Saxony explicitly rejects all content that potentially infringes upon German legislation or general morality.



Die im PortalU-Kartenviewer eingebundenen Karten (Geodatendienste) stammen von behördlichen Anbietern auf Bundes- und Landesebene. Die Nutzung der kostenfrei angebotenen Geodatendienste ist hierbei an entsprechende Bedingungen geknüpft, die zu beachten sind.


Für Dienste aus Bayern sind die Nutzugsbedingungen der GDI-BY zu beachten: