The German occupation of Belgium (French: Occupation allemande, Dutch: Duitse bezetting) during World War II began on 28 May 1940, when the Belgian army surrendered to German forces, and lasted until Belgium's liberation by the Western Allies between September 1944 and February 1945. It was the second time in less than thirty years that Germany had occupied Belgium.
After the success of the invasion, a military administration was established in Belgium, bringing the territory under the direct rule of the Wehrmacht. Thousands of Belgian soldiers were taken as prisoners of war, and many were not released until 1945. The German administration juggled competing objectives of maintaining order while extracting material from the territory for the war effort.