Map of Vessel Traffic Service Centers (Verkehrszentralen) in Germany, map based on OpenSeaMap
All Data of the base map is created by the OpenStreetMap-Project. Map markers added by <a href="//commons.wikimedia.org/w/index.php?title=User:Beyond-growth-UOL-2018&amp;action=edit&amp;redlink=1" class="new" title="User:Beyond-growth-UOL-2018 (page does not exist)">User:Beyond-growth-UOL-2018</a>
CC BY-SA 2.0
OpenSeaMap