The Danish Structure:

The responsibility of executing national border security lies with the police. There is no national Border Guard Service. On the maritime borders, the police use vessels from the Royal Danish Navy as platform. The police have special trained maritime interception teams in all 12 districts.

The responsibility for surveillance of the Danish territorial water, i.e. the area within the territorial limit, is placed under the Royal Danish Navy, who is responsible for the radar surveillance as well. Under their command is also a fleet of Home Guard vessels consisting of more than 20 flotillas.