Imperial Citadel of Thang Long: Hanoi’s UNESCO Heritage Site

Vietnam | Destination

Imperial Citadel of Thang Long: Hanoi’s UNESCO Heritage Site

Explore the Imperial Citadel of Thang Long, Hanoi’s UNESCO Heritage Site and discover ancient palaces, historic gates and cultural treasures. In this blog, we'll experience the rich history and timeless architecture that make this landmark a must-visit in the heart of Hanoi.

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Updated on 05 Sep, 2025
Author: Ella TRAN
Ella TRAN

Hi, I’m Ella. Through my travels across Southeast Asia, I aim to guide you to the most inspiring places, share the stories behind each destination, and offer insights that help you make each adventure both meaningful and unforgettable.

Hanoi, Vietnam’s thousand-year-old capital, captivates visitors with a perfect blend of ancient charm and modern life. At the heart of the city, the Imperial Citadel of Thang Long stands as a vivid testament to the nation’s more than a thousand-year history. Exploring the Imperial Citadel of Thang Long, travelers can admire ancient gates, historic palaces and numerous significant relics while gaining a deeper understanding of Hanoi’s development through various dynasties. 

Join Hanoi Voyages to plan your journey to this UNESCO World Heritage Site and experience the unique stories of history right in the heart of the city.

Imperial Citadel of Thang Long: Location & directions

Imperial Citadel of Thang Long

  • Address: 19C Hoang Dieu Street, Ba Dinh District, Hanoi

  • Opening hours: Daily from 8:00 AM to 5:00 PM

  • Entrance fee: 30,000 VND (~$1.13) for adults 

The Imperial Citadel of Thang Long is located in the heart of Hanoi, making it easy for visitors to reach. From Hoan Kiem Lake, you can travel by motorbike, bicycle, or car via Trang Thi Street, turn onto Dien Bien Phu Street and then continue onto Hoang Dieu Street to reach the main entrance at 19C. Alternatively, bus route 22 provides direct access to the historic site.

History of the Imperial Citadel of Thang Long

The Imperial Citadel of Thang Long stands as a living testament to over a thousand years of Vietnamese history. Established in the 11th century during the Ly Dynasty, it served as the political and cultural center of the country for many dynasties, including the Tran, Le and Nguyen. Its strategic location in the heart of Hanoi helped it remain a key stronghold through centuries of change and conflict.

Throughout its long history, the citadel has witnessed significant events, from royal ceremonies and administrative governance to wartime struggles and foreign invasions. Archaeological excavations have uncovered layers of ancient palaces, walls and relics, revealing the evolution of urban planning and architecture over the centuries.

In 2010, the site was recognized as a UNESCO World Heritage Site, highlighting its value as a cultural and historical treasure. Today, visitors can explore the remains of ancient gates, royal palaces and exhibition areas that showcase artifacts and stories from Vietnam’s imperial past.

Exploring the Imperial Citadel of Thang Long allows travelers to connect with the country’s rich heritage and experience the heart of Hanoi’s historic legacy.

Highlights of the Imperial Citadel of Thang Long

The Imperial Citadel of Thang Long is a historic treasure in the heart of Hanoi, offering visitors a fascinating glimpse into Vietnam’s imperial past. While exploring the citadel, several key sites stand out and are must-sees for anyone visiting:

Doan Mon Gate (Main Gate)

Doan Mon Gate

Doan Mon Gate is the iconic main entrance to the citadel. Its ancient architecture and sturdy structure once served as a protective gateway for the royal complex. Visitors can admire the intricate design and imagine the grandeur of the imperial era.

Bac Mon Gate (North Gate) 

Bac Mon Gate

Bac Mon Gate is the only remaining gate of the Nguyen-period fortifications in the Imperial Citadel of Thang Long. Built of brick and stone, it reflects Vietnamese and colonial architectural influences. It has withstood several bombing raids, and traces of historic projectiles can still be seen. Today, Bac Mon stands as a silent witness to the imperial city's military past.  

Kinh Thien Palace

The Kinh Thien Palace was the political and ceremonial center of the Ly Dynasty and later dynasties. Though much of the original structure is gone, its foundations and layout offer insight into the grandeur of Vietnam’s royal past.

Flag Tower of Hanoi

Flag Tower of Hanoi 

One of Hanoi’s most recognizable landmarks, the Flag Tower, stands tall within the citadel grounds. Originally built as a military observation post, it now symbolizes the resilience and history of the city.

D67 underground bunker

D67 underground bunker

The D67 Underground House and Bunker offer a unique perspective on modern history. Built during wartime, this bunker served as a command center and shelter, providing visitors a glimpse into Hanoi’s strategic defense during conflict periods.

Archaeological site at 18 Hoang Dieu Street

This site displays the ancient layers of the citadel, revealing foundations, walls and artifacts from different dynasties. It is an essential spot for history enthusiasts interested in Vietnam’s urban and architectural evolution.

Exhibition areas

Several exhibition areas throughout the citadel showcase relics, artifacts and detailed information about the history of the citadel. They provide context and enrich the visitor experience, connecting the past to present-day Hanoi.

Visiting the Imperial Citadel of Thang Long allows travelers to explore centuries of history and culture, making it a highlight of any Hanoi itinerary. Each site within the citadel tells a story of Vietnam’s imperial legacy and offers a unique opportunity to step back in time.

Things to do at the Imperial Citadel of Thang Long

Visiting the Thang Long Citadel offers a rich blend of history, culture and interactive experiences. Beyond exploring its historic significance, there are several activities that allow travelers to immerse themselves in the grandeur of Hanoi’s ancient capital.

Dress in Vietnamese traditional Costumes 

One of the most enjoyable experiences at Thang Long Citadel is wearing traditional Vietnamese costumes or the elegant ao dai while taking photos against the stunning Thang Long architecture. From royal garments of the Nguyen Dynasty to delicate ao dai, visitors can step into the life of the imperial court and create memorable photos.

Tips: Best photo spots include Kinh Thien Palace, Doan Mon Gate, where the Thang Long architecture showcases intricate designs and historical charm.

Join a night tour of the Citadel

Night tour of the Citadel

The Imperial Citadel of Thang Long takes on a mysterious and tranquil charm after dark. Night tours offer a unique perspective on history, guided by expert interpreters who bring the stories of the past to life.

Highlights of the tour include water puppet performances, traditional drum shows and dynamic light effects that make the historic site come alive.

Tips:

  • Night tour tickets: 300,000 VND for adults, 150,000 VND for children (prices may vary).

  • Tours start at 6:00 PM, 6:30 PM and 7:00 PM on Saturdays and Sundays.

  • Duration: approximately 1.5 hours.

  • Wear comfortable shoes for walking across multiple areas of the citadel.

Explore with audio guides

Visitors can use multilingual audio guides to learn about each landmark, structure and historical event within the citadel. The guides provide information by zones, allowing travelers to connect historical stories in a clear and engaging way.

Tips: Audio guides enable a flexible, self-paced tour while gaining deep insights into the citadel’s significance.

View artifacts and exhibitions

Exhibitions at the citadel display precious artifacts, including Ly-Tran ceramics, palace tiles and bricks, royal documents and antique weaponry. The displays, along with 3D reconstructions, help visitors visualize the grandeur of Thang Long architecture and the imperial lifestyle.

Tips: Avoid touching artifacts to preserve these historical treasures.

Discover traditional handicrafts

The Thang Long Citadel also hosts demonstrations of traditional Vietnamese crafts, such as pottery, embroidery, wood carving and bronze casting. Visitors can watch artisans at work and even try certain techniques under guidance. The handcrafted products reflect both artistic mastery and the cultural heritage of Thang Long.

Tips: For unique souvenirs that carry cultural significance, explore handicraft products available at the exhibition area.

Starting from the historic Imperial Citadel of Thang Long, Hanoi Voyages offers tours that bring the city’s rich history and vibrant culture to life. 

Contact us now and start planning your unforgettable journey to Vietnam!

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Tips for visiting the Imperial Citadel of Thang Long

Visiting the Imperial Citadel of Thang Long can be an enriching experience if you plan ahead. Here are some helpful tips to make the most of your trip:

  • Arrive early: Arriving early allows you to explore key areas like Doan Mon Gate and Kinh Thien Palace before it gets crowded and enjoy a peaceful atmosphere while taking photos of the Thang Long architecture.

  • Wear comfortable shoes: The citadel grounds are expansive, with uneven paths and ancient structures. Comfortable walking shoes are essential for exploring all the highlights without fatigue.

  • Respect the rules: Do not touch artifacts or climb on ancient structures. Follow the signage and guidelines to help preserve the historical integrity of the Imperial Citadel of Thang Long.

  • Bring water and a hat: Hanoi can get hot and humid, especially in the afternoon. Carry water, wear a hat and apply sunscreen to stay comfortable during your visit.

  • Combine nearby attractions: The citadel is close to other Hanoi attractions, such as Ho Chi Minh Mausoleum, One Pillar Pagoda and the Old Quarter. Plan your itinerary to explore multiple historic sites in one trip.

Exploring the Imperial Citadel of Thang Long offers a fascinating journey through Vietnam’s rich history, stunning architecture and vibrant culture. From ancient gates to royal palaces and engaging exhibitions, every corner of the citadel tells a story of Hanoi’s imperial past. Plan your visit with Hanoi Voyages to experience this UNESCO World Heritage Site fully and create unforgettable memories in the heart of Vietnam’s capital.

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