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Top 10 widest provinces in Vietnam after merger

After the merger, many provinces and cities have changed significantly, creating new "super provincial" on the administrative map. Let's take a look at the 10 widest provinces in Vietnam after merging in 2025!

Do you know where the localities with the largest area in the country today? Let's discover the 10 widest provinces and cities in Vietnam after the merger to see the spectacular change on our country's administrative map!

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Top 10 widest provinces in Vietnam before the merger

Before the major administrative changes, what are the provinces and cities holding a record of the area? Let's take a look at the top 10 widest provinces in Vietnam before the merger! Stt Province/city Area (Km2) 1 Nghe An 16,486,5 2 Gia Lai 15,510,1 3 Son La 14.109.8 4 Dak Lak 13,070,4 5 Thanh Hoa 11,114,7 6 Quang Nam 10,574,9 7 Lam Dong 9,781,2 8 Kon Tum 9,677,3 9 Dien Bien 9,539,9 10 Lai Chau 9,068,7

Top 10 widest provinces in Vietnam after merger

Pursuant to Resolution 60-NQ/TW and Decision 759/QD-TTg in 2025, the list of 23 new provinces after the merger has been identified. Here are the top 10 widest provinces in Vietnam after the merger based on the expected area. Stt Province/city Area (Km²) 1 Lam Dong 24,233,1 2 Gia Lai 21,576,5 3 Dak Lak 18,096,4 4 Nghe An 16,486,5 5 Quang Ngai 14,832.5 6 Son La 14.109.8 7 Tuyen Quang 13,795,4 8 Lao Cai 13.256,9 9 Dong Nai 12,737,2 10 Quang Tri 12,700,0

Lam Dong

After the merger, Lam Dong became the widest province in the country with an area stretching throughout the highlands. Not only prominent with mild climate and landscapes such as Da Lat, the province also has great potential for high -tech agriculture, resort tourism and ecological urban development. This is really a strategic bright spot in Vietnam's new administrative map.

Lâm Đồng

Gia Lai

Gia Lai holds the second position in the area after the merger, prominent with the Pleiku plateau and the rich natural forest system. The province is a convergence of many ethnic minorities with typical cultural identity, and has great potential for sustainable agriculture and forestry development and renewable energy. The vast space is an advantage for Gia Lai to break through in the new development period.

Gia Lai

Dak Lak

With the third area after the merger, Dak Lak continues to affirm the role of the center of the Central Highlands. Not only famous for the brand of Buon Ma Thuot coffee, the province also owns the national forest, large hydroelectric lake and urban development land fund and eco -tourism. The terrain diversity is a plus point for this province to become a new dynamic economic zone.

Đắk Lắk

Nghe An

As the province with the largest area in the Central, Nghe An after the merger shows a strategic position with the combination of plains, hills and sea. The province is not only rich in revolutionary traditions but also has strengths in industry, seaports, agriculture and energy. Open area creates conditions for the province to develop comprehensively, connect North - Central effectively.

Nghệ An

Quang Ngai

The expansion area helps Quang Ngai to enter the largest provinces in the country. With long coastline, rich western mountains and developing coastal economic zones, the province has many favorable conditions to attract industrial, energy and tourism investment. The central location of the Central region also helps Quang Ngai become an important transit point.

Quảng Ngãi

Son La

Son La after merger owns the leading area of ​​the Northern mountainous region. This is a famous land for Son La hydroelectricity along with the strength of fruit trees, community tourism and Thai culture. The large area opens up sustainable development opportunities associated with nature conservation and cultural identity.

Sơn La

Tuyen Quang

As the province plays a special role in the history of the Vietnamese revolution, Tuyen Quang after the merger has an area spread throughout the midland - mountainous region of the North. Natural forests and stream rivers and stream systems are valuable resources to develop hydropower, forestry and eco -tourism. This is also the locality with great potential to develop green economy.

Tuyên Quang

Lao Cai

Lao Cai after the merger is not only large but also plays a special role in connecting trade with China. With Sapa - an international tourist destination, and a modern transportation system such as Noi Bai - Lao Cai highway, this province is becoming a driving force for the development of the northern midland and mountainous region. Large area is an advantage to expand industry, logistics and urbanization.

Lào Cai

Dong Nai

Top 10 widest provinces in the country, Dong Nai owns a strategic location right next to Ho Chi Minh City and the southern key economic region. In addition to being an industrial center, the province also has Long Thanh International Airport, satellite urban areas and large development land funds. The extended area helps Dong Nai maintain a dynamic and sustainable economic growth.

Đồng Nai

Quang Tri

After the merger, Quang Tri has a sharp increase in the area, playing a strategic role in the East -West economic corridor connecting Laos and Thailand. With rich forest resources, sea and minerals, and rich historical sites, the province is gradually transforming into a new investment destination of the Central region. Open space facilitates the uniform development from the sea to the mountains.

Quảng Trị

Above is the article sharing about the top 10 widest provinces in Vietnam after the merger. Hopefully, this information will help you have a better view of the change of administrative appearance and development potential of localities in the near future.

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