Imperial Citadel of Thang Long

The Imperial Citadel of Thang Long is a UNESCO World Heritage Site located in central Ba Dinh District, Hanoi. Built in 1010 under the Ly Dynasty and expanded through successive dynasties, it served as the political centre of Vietnam for over 13 centuries. The complex includes ancient gates, archaeological remains, the Flag Tower, and exhibition halls displaying artifacts from multiple historical periods.

Visitors can explore a large walled complex with restored gates such as Doan Mon and Bac Mon, the iconic Flag Tower of Hanoi, archaeological excavation areas with foundations of ancient palaces, and indoor exhibition halls displaying ceramics, artifacts and models. The site has paved courtyards, gardens, and shaded walkways with informational panels. Guided tours and interpretive displays explain the layout of the former imperial palace.

Constructed in 1010 by Emperor Ly Thai To when he moved the capital to Thang Long (present-day Hanoi). It remained the centre of regional political power for 13 consecutive centuries through the Ly, Tran, Le and Nguyen dynasties. Major structures include the Kinh Thien Palace foundation, Doan Mon, Bac Mon and the Flag Tower built in 1812. Archaeological excavations at 18 Hoang Dieu revealed overlapping palace foundations and artifacts spanning over 1000 years.

Recognized as a UNESCO World Heritage Site for its outstanding value as a long-standing centre of power and its illustration of Vietnamese cultural evolution. It symbolizes Hanoi's heritage as the capital and preserves traditions of imperial architecture, court rituals and urban planning. The site hosts cultural exhibitions and educational programs about Vietnamese history.