Ha Long Bay - Cat Ba Archipelago


World Heritage Identification Number: 672

World Heritage since: 1994

Category: Natural Heritage

Transboundary Heritage: No

Endangered Heritage: No

Country: 🇻🇳 Viet Nam

Continent: Asia

UNESCO World Region: Asia and the Pacific

Map

Exploring the Enchanting Landscape of Ha Long Bay – Cat Ba Archipelago

Ha Long Bay – Cat Ba Archipelago, a mesmerizing natural wonder nestled in the northeastern region of Vietnam, is a UNESCO World Heritage Site that offers an extraordinary blend of breathtaking landscapes, rich biodiversity, and fascinating history. This expansive seascape, spanning over 65,650 hectares, comprises more than 1,133 islands and islets, each unique in size, shape, and beauty.

More to come…

UNESCO Description of the World Heritage Site

Covering an area of 65,650 ha and including 1,133 islands and islets, Ha Long Bay - Cat Ba Archipelago is located in the Northeast of Viet Nam, within Quang Ninh Province and Hai Phong City. Comprised of a multitude of limestone islands of islets rising from the sea, in a variety of sizes and shapes and presenting picturesque, unspoiled nature, Ha Long Bay - Cat Ba Archipelago is a spectacular seascape sculpted by nature. As the most extensive and best known example of marine - invaded tower karst, Ha Long Bay - Cat Ba Archipelago is one of the world’s mots important areas of fengcong (clusters of conical peaks) and fenglin (isolated tower features) karst. Additionally, the exceptionally beautiful landscape is also dominated by the typical ecosystems.

Encyclopedia Record: Hạ Long Bay

Hạ Long Bay or Halong Bay is a bay located in Northeastern Vietnam. The name Hạ Long means "descending dragon". The bay is administered by the cities of Hạ Long and Cẩm Phả in Quảng Ninh province. It features thousands of limestone karsts and islets in various shapes and sizes, for which it is listed as a UNESCO World Heritage Site and a popular travel destination. The bay is also part of a larger area that includes Bai Tu Long Bay to the northeast and Cát Bà Island to the southwest, with these zones sharing similar geological, geographical, geomorphological, climate, and cultural characteristics.

Read more on Wikipedia

Additional Site Details

Area: 65,650 hectares

UNESCO Criteria: (vii) — Contains superlative natural phenomena or beauty
(viii) — Outstanding example representing major earth stages

Coordinates: 20.8327777778 , 107.1611111111

Image

Image of Ha Long Bay - Cat Ba Archipelago

Thierry Boriecolour adjusted by Lycaon, Public domain

About World Heritage Explorer

World Heritage Explorer is an independent educational project designed to uncover and share the richness of our world’s cultural and natural heritage. Dive into detailed site profiles, immersive imagery, interactive maps, and tools that help you explore UNESCO World Heritage Sites across the globe. Drawing extensively on open data sources, the project delivers authoritative, well-structured information for learners, educators, travelers, and younger explorers alike.

Learn more

Country Information: Viet Nam

Flag of Viet Nam

Official Name: Socialist Republic of Vietnam

Capital: Hanoi

Continent: Asia

Population (2024): 100,987,686

Population (2023): 100,352,192

Population (2022): 99,680,655

Land Area: 313,430 sq km

Currency: Vietnamese đồng (VND)

Country Data Sources

Last updated: January 18, 2026

Portions of the page Ha Long Bay - Cat Ba Archipelago are based on data from UNESCO — World Heritage List Dataset and on text from the Wikipedia article Hạ Long Bay, licensed under CC BY-SA 4.0. Changes made. Additional original content by World Heritage Explorer (WHE), licensed under CC BY-SA 4.0. WHE is not affiliated with UNESCO or the World Heritage Committee. Legal Notice. Privacy Policy.

Open Data for an Open World