1. The Auschwitz-Birkenau Memorial and Museum is located in Krakow, Poland and is a memorial and museum dedicated to the victims of the Holocaust. The Auschwitz-Birkenau complex was the largest camp operated by the Nazi regime during World War II and is estimated to have been responsible for the deaths of over 1.1 million people, mostly Jews but also Roma, homosexuals, people with disabilities, and others deemed \"undesirable\" by the Nazis.
The museum is divided into two parts: Auschwitz I, which was the administrative center and where many of the prisoners were first held, and Auschwitz II-Birkenau, the larger camp where the majority of the killings took place. Visitors can see the various barracks, gas chambers, and crematoria that were used during the Holocaust, as well as exhibits and artifacts documenting the experiences of the prisoners.
2. The Auschwitz-Birkenau Memorial and Museum is open every day except for January 1, December 25, and Easter Sunday. The opening times vary depending on the season, but generally the museum is open from 8am-3pm. The phone number for the museum is +48 33 844 8000.
3. Admission to the museum is free, but visitors are required to reserve a ticket in advance online at visit.auschwitz.org. Transportation by bus or train from Krakow is available, or visitors can arrange for a private tour. It is recommended to set aside at least 3 hours to visit the museum.
