Killing Fields & S-21 in Phnom Penh — FAQ

What are the Killing Fields?
The Choeung Ek Killing Fields, outside Phnom Penh, are a memorial site where victims of the Khmer Rouge regime were killed and buried; a peaceful stupa and audio guide tell their story.
What is Tuol Sleng (S-21)?
Tuol Sleng, or S-21, is a former school turned Khmer Rouge prison and torture centre in Phnom Penh, now a genocide museum preserving the memory of those who suffered there.
Is the Killing Fields tour worth it?
Yes — though deeply sombre, a guided visit to the Killing Fields and S-21 is the most important and moving experience in Phnom Penh, essential to understanding Cambodia.