Map of the German military administration in Belgium and Northern France, from 1940 to July 1944.
Own work. Source :

France map Lambert-93 with regions and departments-occupation.svg by Rama under licence GFDL or CC-BY-SA 3.0
France map Lambert-93 with regions and departments-blank.svg by Sting under licence GFDL or CC-BY-SA 3.0
Map of Belgium.svg by Shadowxfox under licence CC-BY-SA 3.0
Sémhur (talk)