Flensburg is an independent town in the north of the German state of Schleswig-Holstein. Flensburg is the north of the region of Schleswig. After Kiel and Lübeck, it is the third-largest town in Schleswig-Holstein.
The nearest larger towns are Kiel and Odense, Denmark. Flensburg's city centre lies about 7 km from the Danish border.
Wikipedia https://en.wikipedia.org/wiki/Flensburg
Coordinates 54°46'59.887" N 9°25'59.975" E