The Tuol Sleng Genocide Museum, formerly known as Security Prison 21 (S-21), stands as one of Cambodia’s most significant historical sites. During the Khmer Rouge regime between 1975 and 1979, the former high school was transformed into a prison and interrogation center.
Today, the museum preserves the buildings, photographs, and historical records to educate visitors about Cambodia’s tragic past while honoring the victims and promoting peace and remembrance.