Auschwitz-Birkenau, near the town of Oswiecim, in what was then occupied Poland
Auschwitz-Birkenau was a concentration and extermination camp used by the Nazis during World War Two.
The camp, which was located in Nazi-occupied Poland, was made up of three main sites.
Auschwitz I, the original concentration camp, Auschwitz II-Birkenau, a combined concentration and extermination camp and Auschwitz III–Monowitz, a labour camp, with a further 45 satellite sites.
Auschwitz, pictured in 1945, was liberated by Soviet troops 76 years ago on Wednesday after around 1.1million people were murdered at the Nazi extermination camp
Auschwitz was an extermination camp used by the Nazis in Poland to murder more than 1.1 million Jews
Birkenau became a major part of the Nazis’ ‘Final Solution’, where they sought to rid Europe of Jews.
An estimated 1.3 million people were sent to Auschwitz-Birkenau, of whom at least 1.1 million died – around 90 percent of which were Jews.
Since 1947, it has operated as Auschwitz-Birkenau State Museum, which in 1979 was named a World Heritage Site by Unesco.
Treblinka, near a village of the same name, outside Warsaw in Nazi-occupied Poland
Unlike at other camps, where some Jews were assigned to forced labor before being killed, nearly all Jews brought to Treblinka were immediately gassed to death.
Only a select few – mostly young, strong men, were spared from immediate death and assigned to maintenance work instead.
Unlike at other camps, where some Jews were assigned to forced labor before being killed, nearly all Jews brought to Treblinka were immediately gassed to death
The death toll at Treblinka was second only to Auschwitz. In just 15 months of operation – between July 1942 and October 1943 – between 700,000 and 900,000 Jews were murdered in its gas chambers.
Exterminations stopped at the camp after an uprising which saw around 200 prisoners escape. Around half of them were killed shortly afterwards, but 70 are known to have survived until the end of the war
Belzec, near the station of the same name in Nazi-occupied Poland
Belzec operated from March 1942 until the end of June 1943. It was built specifically as an extermination camp as part of Operation Reinhard.
Polish, German, Ukrainian and Austrian Jews were all killed there. In total, around 600,000 people were murdered.
The camp was dismantled in 1943 and the site was disguised as a fake farm.
Belzec operated from March 1942 until the end of June 1943. It was built specifically as an extermination camp as part of Operation Reinhard
Sobibor, near the village of the same name in Nazi-occupied Poland
Sobibor was named after its closest train station, at which Jews disembarked from extremely crowded carriages, unsure of their fate.
Jews from Poland, France, Germany, the Netherlands and the Soviet Union were killed in three gas chambers fed by the deadly fumes of a large petrol engine taken from a tank.
An estimated 200,000 people were killed in the camp. Some estimations put the figure at 250,000.
This would place Sobibor as the fourth worst extermination camp – in terms of number of deaths – after Belzec, Treblinka and Auschwitz.
Sobibor was named after its closest train station, at which Jews disembarked from extremely crowded carriages, unsure of their fate
The camp was located about 50 miles from the provincial Polish capital of Brest-on-the-Bug. Its official German name was SS-Sonderkommando Sobibor.
Prisoners launched a heroic escape on October 14 1943 in which 600 men, women and children succeeded in crossing the camp’s perimeter fence.
Of those, only 50 managed to evade capture. It is unclear how many crossed into allied territory.
Chelmno (also known as Kulmhof), in Nazi-occupied Poland
Chelmno was the first of Nazi Germany’s camps built specifically for extermination.
It operated from December 1941 until April 1943 and then again from June 1944 until January 1945.
Between 152,000 and 200,000 people, nearly all of whom were Jews, were killed there.
Chelmno was the first of Nazi Germany’s camps built specifically for extermination. It operated from December 1941 until April 1943 and then again from June 1944 until January 1945
Majdanek (also known simply as Lublin), built on outskirts of city of Lublin in Nazi-occupied Poland
Majdanek was initially intended for forced labour but was converted into an extermination camp in 1942.
It had seven gas chambers as well as wooden gallows where some victims were hanged.
In total, it is believed that as many as 130,000 people were killed there.
Majdanek (pictured in 2005) was initially intended for forced labour but was converted into an extermination camp in 1942
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