Bau-Bataillon 306

 Bau-Bataillon 306 (Construction Battalion 306) was an auxiliary unit of the Wehrmacht (Nazi Germany) during World War II. The personnel was Germans and Volga Tatars (3., 4. Wolgatatarische Kompanie, 1943-1944). It was formed on August 26, 1939. On September 23, 1943 it was renamed Bau-Pionier-Bataillon 306 (Construction Engineering Battalion).