Castuera I (Concentration Camp), Badajoz (2016). Badajoz. This pedestal once carried a cross that presided over the main square of the camp. Between 8.000 and 9.000 prisoners (some studies claim as many as 20.000) were held here 1939-40.Castuera III (Concentration Camp), Badajoz (2016). From April 1939 to March 1940 hundreds of prisoners were eliminated in the camp or ‘taken for a walk’ and shot by Falangist groups of the area.