Question:  Alina Azapocznikow was imprisoned in Auschwitz, and what Nazi concentration camp in what is today Lower Saxony in northern Germany, southwest of the town of Bergen near Celle?

Context paragraphs:
Alina Szapocznikow: Alina Szapocznikow (] ; sometimes called Szaposznikow; May 16, 1926 – March 2, 1973) was a Polish sculptor.  As a Jew, she was imprisoned in the Pabianice and Łódź Ghettos and in Auschwitz, Bergen-Belsen and Theresienstadt German Nazi concentration camps.  She was the wife of Polish graphic designer Roman Cieślewicz.  She produced casts of her body and later of her son's body.

Esterwegen concentration camp: The Esterwegen concentration camp near Esterwegen was an early Nazi concentration camp within a series of camps first established in the Emsland district of Germany.  It was established in the summer of 1933 as a concentration camp for 2000 so-called political "Schutzhäftlinge" (protective custody prisoners) and was for a time the second largest concentration camp after Dachau.  The camp was closed in summer of 1936.  Until 1945 the camp was used as a prison camp.  Political prisoners and so called "Nacht und Nebel"-prisoners were also held here.  Then Esterwegen served as a British internment camp, as a prison, and, until 2000, as a depot for the German Army.

Auschwitz concentration camp: Auschwitz concentration camp (German: "Konzentrationslager Auschwitz" , ] , also "KZ Auschwitz " or "KL Auschwitz ") was a network of German Nazi concentration camps and extermination camps built and operated by the Third Reich in Polish areas annexed by Nazi Germany during World War II.  It consisted of (the original camp), Auschwitz II–Birkenau (a combination concentration/extermination camp), (a labor camp to staff an IG Farben factory), and 45 satellite camps.

Belsen (Bergen): Belsen is a village within the German borough of Bergen in the northern part of Celle district on the Lüneburg Heath in Lower Saxony.  The village, whose original site lies about 3 km southwest of Bergen, has 331 inhabitants .  The Belsen concentration camp was named after it.  Today Belsen is dominated by the former British Army camp of Hohne (German: "Lager Hohne") on the edge of the NATO firing ranges.

Celle: Celle (] ) is a town and capital of the district of Celle, in Lower Saxony, Germany.  The town is situated on the banks of the River Aller, a tributary of the Weser and has a population of about 71,000.  Celle is the southern gateway to the Lüneburg Heath, has a castle ("Schloss Celle") built in the renaissance and baroque style and a picturesque old town centre (the "Altstadt") with over 400 timber-framed houses, making Celle one of the most remarkable members of the German Timber-Frame Road.  From 1378 to 1705, Celle was the official residence of the Lüneburg branch of the dukes of Brunswick-Lüneburg (House of Welf) who had been banished from their original ducal seat by its townsfolk.

Bergen, Lower Saxony: Bergen is a town in the north of Celle district on the Lüneburg Heath, in Lower Saxony, Germany.  Administratively it acts as a municipal borough divided into 12 subordinate parishes based on the town and its surrounding villages: Becklingen, Belsen, Bergen, Bleckmar, Diesten, Dohnsen, Eversen, Hagen, Hassel, Offen, Sülze and Wardböhmen.  Bergen-Belsen concentration camp was located in the area of Belsen.

Risiera di San Sabba: Risiera di San Sabba (Slovene: "Rižarna" ) is a five-storey brick-built compound located in Trieste, northern Italy, that functioned during World War II as a Nazi concentration camp for the detention and killing of political prisoners, and a transit camp for Jews, most of whom were then deported to Auschwitz.  SS members Odilo Globocnik and Karl Frenzel, and Ivan Marchenko are all said to have participated in the killings at this camp.  The cremation facilities, the only ones built inside a concentration camp in Italy, were installed by Erwin Lambert.  Today, the former concentration camp operates as a civic museum.

Bergen-Belsen concentration camp: Bergen-Belsen ] , or Belsen, was a Nazi concentration camp in what is today Lower Saxony in northern Germany, southwest of the town of Bergen near Celle.  Originally established as a prisoner of war camp, in 1943, parts of it became a concentration camp.  Initially this was an "exchange camp", where Jewish hostages were held with the intention of exchanging them for German prisoners of war held overseas.  The camp was later expanded to accommodate Jews from other concentration camps.

Ohrdruf concentration camp: Ohrdruf concentration camp was a Nazi forced labor and concentration camp located near Ohrdruf, south of Gotha, in Thuringia, Germany.  It was part of the Buchenwald concentration camp network and the first Nazi concentration camp liberated by U.S. troops.

Bergen-Belsen displaced persons camp: Bergen-Belsen displaced persons camp was a displaced persons (DP) camp for refugees after World War II, in Lower Saxony in northwestern Germany, southwest of the town of Bergen near Celle.  It was in operation from the summer of 1945 until September 1950.  For a time, Belsen DP camp was the largest Jewish DP camp in Germany and the only one in the British occupation zone with an exclusively Jewish population.  The camp was under British authority and overseen by the United Nations Relief and Rehabilitation Administration (UNRRA) with camp directors that included Simon Bloomberg.

Supporting paragraphs: Alina Szapocznikow Bergen-Belsen concentration camp
Answer: Bergen-Belsen