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Khmer Rouge memorial sites and history museums

The sites that record the Khmer Rouge years. Difficult, essential, and best visited with someone who can explain what you are looking at.

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In short

The sites that record the Khmer Rouge years. Difficult, essential, and best visited with someone who can explain what you are looking at.

Checked

September 2026

Phnom Penh

Tuol Sleng Genocide Museum (S-21)

The Tuol Sleng Genocide Museum is the former S-21 prison in central Phnom Penh. A high school until 1975, it was turned by the Khmer Rouge…

Address
Street 113 (corner of Street 350), Boeung Keng Kang, Phnom Penh
Opening hours
Daily, 8:00 am to 5:00 pm
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Memorial site

Choeung Ek Killing Fields

Choeung Ek, about 17 km south of Phnom Penh, is the best known of the Khmer Rouge killing fields, where most prisoners from the S-21 prison…

Where
Dangkao district, about 17 km south of central Phnom Penh
Getting there
30 minutes to an hour by tuk-tuk or car
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Siem Reap

Wat Thmey memorial, Siem Reap

Wat Thmey is an active Buddhist pagoda on the road from Siem Reap to Angkor Wat that was used by the Khmer Rouge as a place…

What it is
An active pagoda and memorial to victims of the Khmer Rouge
Location
Road to Angkor Wat, northern edge of Siem Reap town
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