Sremska Mitrovica Prison (Serbian: Казнено-поправни завод у Сремској Митровици, Kazneno-popravni zavod u Sremskoj Mitrovici) is the biggest prison in Serbia, consisting of two facilities.
At least 25 prisoners were killed in front of witnesses, but the actual number is believed to be much higher.
International organizations collected detailed information from reports, inspections and survivors regarding Sremska Mitrovica prison.
According to the Croatian Society of Serb Concentration Camp Inmates (HDLSKL), 8,000 Croats went through Serbian prison facilities, 300 of whom never returned.
[4] The Sremska Mitrovica prison was prominently mentioned in ICTY trials to Slobodan Milošević[5] and Veselin Šljivančanin,[6] as many survivors testified there.