By early 1942 they housed 7,000 prisoners from Belgium, France, Poland and Yugoslavia.[3] In June 1943 it was placed under the administrative control of Stalag VIII-B Lamsdorf and was renamed Stalag IV-B/Z. In November 1943 there was another reorganization, Lamsdorf was renamed "Stalag 344", and a large number of prisoners were transferred to Teschen, which became Stalag VIII-B.[4] Because of these organizational and number changes there is considerable confusion in accounts of prisoners, even in official German records.