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The Rangpur-Sivasagar Historical Ensemble in Assam, the political and ceremonial centre of the Ahom kingdom, has been added to UNESCO's World Heritage Tentative List.
India's Permanent Mission to UNESCO submitted the nomination dossier on 19 June 2026 under cultural criteria (iii) and (iv).
The property includes Rang Ghar, described as Asia's oldest surviving amphitheatre, the multi-storeyed Talatal Ghar, the Namdang Stone Bridge and the Sivasagar, Joysagar and Gaurisagar tanks.
With this and three other additions, India's Tentative List rose to 73 properties.
The Ahom dynasty ruled the Brahmaputra Valley from 1228 to 1826; its Charaideo Moidams became India's 43rd World Heritage Site in 2024.
Maintains the World Heritage List and the Tentative Lists of States Parties, and services the World Heritage Committee
Submitted the Rangpur-Sivasagar nomination dossier on India's behalf
Nodal agency for protecting and conserving centrally protected monuments and for India's World Heritage nominations
Sivasagar lies in upper Assam in the Brahmaputra Valley. Rangpur was an Ahom capital here, and the ensemble's monuments and great tanks are spread across the district. Charaideo, the earliest Ahom capital and site of the royal moidams, lies nearby.
The Ahom kingdom is founded in the Brahmaputra Valley.
Ahom rule ends as Assam passes to the British under the Treaty of Yandabo.
Charaideo Moidams inscribed as India's 43rd UNESCO World Heritage Site.
India submits the Rangpur-Sivasagar nomination dossier to UNESCO.
The ensemble is confirmed on India's UNESCO Tentative List, taking the list to 73 properties.
GS Paper 1 > Indian Culture - architecture and heritage; Prelims - UNESCO sites in India
General Awareness > Art and Culture, UNESCO Sites
A State Party's inventory of properties it may nominate for the World Heritage List in future; listing here is a precondition for nomination.
The Ahom-era pavilion at Sivasagar, described as Asia's oldest surviving amphitheatre.
An Ahom royal burial mound; the moidams of Charaideo were inscribed by UNESCO in 2024.