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9 Places To Learn About Khmer Rouge History in Phnom Penh

Learn about the horrific Khmer Rouge era and how it shaped Cambodia at these historical sites in Phnom Penh.
View of the facade and ornate roof of the Royal Palace complex in Phnom Penh, Cambodia.
Photo credit:Maria_Usp / TripAdvisor

Cambodia may be best known for the ancient Angkor Wat temple complex, but the country’s most significant historical event happened long after the Angkorian empire. The radical communist Khmer Rouge regime came to power in 1975, and over the next four years carried out a genocide that left a dark mark on Cambodia’s history.

In the capital city, reminders of Cambodia’s most painful era are everywhere, from museums that give a sense of the historical context that paved the way for the Khmer Rouge to sobering sites commemorating the genocide and its horrors. Whether you want to visit Cambodia remembrance sites to honor genocide victims or want to learn more about Khmer history, check out these Phnom Penh historical attractions.

1. Choeung Ek Genocidal Center

A wooden path at the Killing Fields burial grounds at Choeung Ek Genocidal Center in Cambodia.
This former orchard is a somber reminder of a brutal time in Cambodia’s history.Photo credit: r2thebizel / Tripadvisor

Pay your respects to the victims of the Khmer Rouge genocide at the Killing Fields.

A visit to the Choeung Ek Genocidal Center is not an uplifting activity, but it’s one that’s necessary to get to know Cambodia on a deeper level and honor the victims of the nation’s greatest tragedy. Visit on a guided Killing Fields tour in Phnom Penh (usually combined as a tour with the other Cambodia genocide memorial sites) where you’ll wander the grounds and learn more about the Khmer Rouge’s reign of terror. Due to the grim nature of Khmer Rouge history in Phnom Penh, the site may not be suitable for all.

2. Tuol Sleng Genocide Museum

A memorial with steps surrounded by trees at the Tuol Sleng Genocide Museum in Phnom Penh, Cambodia.
Classrooms-turned-cells now stand as a stark reminder of the Khmer Rouge regime’s cruelty.Photo credit: saiko3p / Shutterstock

Learn more about the Khmer Rouge at the Tuol Sleng Genocide Museum.

The former S-21 Prison has been converted into the most famous Khmer Rouge museum in Cambodia: the Tuol Sleng Genocide Museum. There, explore the grounds, see photos of some of the prisoners, and speak with survivors to hear their stories in the hopes that such atrocities never happen again. Like the Killing Fields, the Tuol Sleng Museum in Phnom Penh is best seen on a guided tour and may be disturbing to some visitors.

3. National Museum of Cambodia

The ornate exterior of the National Museum of Cambodia.
This museum has one of the largest collections of Khmer art and artifacts in the world.Photo credit: Nick Z / Tripadvisor

See the world’s most extensive collection of Khmer art at the National Museum of Cambodia.

In order to understand the role the Khmer Rouge era played in the greater Cambodian history, visit the National Museum, where you’ll find Khmer art and architecture from the Neolithic era to the present. The museum is organized by material, with rooms dedicated to stonework, metal, wood, and ceramics. Highlights include large religious carvings such as those found at Angkor Wat and looms that show off traditional weaving. The museum can be conveniently combined with a visit to the nearby Royal Palace.

4. The Royal Palace

Exterior of an ornate gate to the Royal Palace of Cambodia.
Golden spires and manicured grounds reveal Cambodia’s cultural continuity beyond the trauma.Photo credit: Kadagan / Shutterstock

Visit the Royal Palace, residence of the King of Cambodia.

The Royal Palace in the center of Phnom Penh was commissioned in the 1860s by King Norodom and has housed the royal family ever since. This grand complex is also home to the Silver Pagoda, a famous Buddhist shrine. Explore the beautiful grounds as a welcome break from more somber Cambodian war history sites, or combine them on a guided tour and learn more about the role the royal family has played in Khmer history: One of the most famous kings to live here was Norodom Sihanouk, who led Cambodia out of the Khmer Rouge era in the 1980s.

5. Central Market

The terraced dome exterior of the Central Market in Cambodia.
Beneath the Central Market’s soaring dome, daily life unfolds, echoing Cambodia’s colonial past.Photo credit: saiko3p / Shutterstock

See the remnants of Cambodia’s French protectorate era at the Central Market.

During the late 19th century, Cambodia was briefly under the protection of France, a significant era in the country’s history. Decades later, French-educated Khmer people became the leaders of the Khmer Rouge movement. See the remnants of French rule and immerse yourself in local culture when you visit the Central Market, an art deco structure that dates back to 1937 and is often a highlight of historic tours in Phnom Penh. Inside, you can find everything from textiles and produce to street food, souvenirs, and more.

6. Sosoro Museum

Exterior of the Sosoro Museum at night in Cambodia.
For a fresh perspective on Cambodia’s story, try the Sosoro Museum.Photo credit: Sosoro Museum / Shutterstock

Get an overview of 2,000 years of Cambodian history at the Sosoro Museum.

Phnom Penh’s museums are great places to learn more about the history of Cambodia, including the turbulent Khmer Rouge era. At the Sosoro Museum, located in the city’s colonial district, examine Cambodia’s history and genocide from a totally new angle, viewing artifacts and exhibits that focus on politics, money, and the local economy. The museum is located near other main attractions, such as the Old Market, as well as the harbor from where some boat tours depart.

7. Wat Phnom

View of the lit stupa at Wat Phnom, a historic Buddhist temple and central landmark in Phnom Penh, Cambodia.
This hilltop sanctuary offers a quiet look at faith, identity, and endurance in Cambodia.Photo credit: Neil Bussey / Shutterstock

Understand Cambodia’s pre–Khmer Rouge identity at the 14th-century Wat Phnom.

There’s no better view of Phnom Penh than that from Wat Phnom, located up a set of stairs in a city park that looks out over the skyline. The Buddhist temple was built in the 14th century and renovated multiple times over the centuries since, including during the Khmer Rouge regime to please ruler Pol Pot. Visiting this temple offers fascinating insight into Cambodia’s national identity and Buddhist way of life, as well as a chance to see its genocide memorial.

8. Silk Island

A girl in a striped shirt weaves silk on Silk Island in the Mekong River near Phnom Penh, Cambodia.
On this Cambodian river island of weavers and stilt homes, tradition thrives.Photo credit: amnat30 / Shutterstock

Discover the history of silk-making in Cambodia on Silk Island.

Silk Island is located just off Phnom Penh in the Mekong River, and offers a low-key escape from the busy capital city. There, you can visit with local artisans to learn more about their craft of silk weaving, understand traditional stilt architecture that has protected local homes and businesses through the wet season, learn more about the silk trade and how it suffered during the Khmer Rouge era, and pick up unique souvenirs. One of the best ways to explore the island is by tuk-tuk or on a bike tour.

9. Chisor Temple

A view through stone doorways of the Chisor Temple in Phnom Penh, Cambodia.
The ancient stone pathways of Chisor Temple lead to stories shaped by empire and conflict.Photo credit: Andrzej Lisowski Travel / Shutterstock

Visit the 11th-century Chisor Temple, a former execution site of the Khmer Rouge.

Chisor Mountain lies south of Phnom Penh, and is home to Chisor Temple, constructed by King Suryavarman I, who ruled the ancient Angkor empire. You can visit on a day trip from the city to learn more about the sandstone structure and its significance, both in ancient times and later as a hideout and execution site of the Khmer Rouge. A trip here is often combined with visits to other attractions such as Prasat Neang Khmau and Tonle Bati.

Insider tip: Remember to bring layers to cover your shoulders and knees, a sign of respect at ancient temples.

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