Stalag IV-B was one of the largest prisoner-of-war camps in Germany during World War II. Stalag is an abbreviation of the German Stammlager ("Main Camp"). It was located 8 km (5.0 mi) north-east of the town of Mühlberg in the prussian Province of Saxony, just east of the Elbe river and about 30 mi (48 km) north of Dresden. From 1944 to 1945 it belonged to the Province of Halle-Merseburg. Now, the area is in Brandenburg. A sub-camp, sometimes identified as Stalag IV-B/Z,Stalag 304 or Stalag IV-H was located at Zeithain, 10 km (6.2 mi) to the south in Saxony.