Hanoi

American  

[ha-noi, huh-] / hæˈnɔɪ, hə- /

noun

1. a city in and the capital of Vietnam, in the N part, on the Songka River.

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Hanoi British  

/ hæˈnɔɪ /

noun

1. the capital of Vietnam, on the Red River: became capital of Tonkin in 1802, of French Indochina in 1887, of Vietnam in 1945, and of North Vietnam (1954–75); university (1917); industrial centre. Pop: 4 147 000 (2005 est)

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Hanoi Cultural  

1. Capital of Vietnam, located in the northern part of the country.

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Discover More

It became the capital of North Vietnam in 1954, when the French evacuated the city.

During the Vietnam War, the city suffered heavy bombing by the United States.

It was the scene of heavy fighting between French and Vietnamese communist forces from 1946 to 1954.

Example Sentences

Hanoi wants more South Korean investment in infrastructure, advanced electronics manufacturing, semiconductors, artificial intelligence and renewable energy.

From Barron's • Apr. 22, 2026

Harry Summers, who’d won Bronze and Silver stars in that war as an operations officer, flew to Hanoi as chief of the U.S. delegation to resolve the status of missing American soldiers.

From Slate • Apr. 13, 2026

The researchers tested their system using the Tower of Hanoi puzzle, a classic problem that requires careful planning.

From Science Daily • Apr. 5, 2026

If this were Beijing, New Delhi or Hanoi, it would be a no-brainer.

From Los Angeles Times • Mar. 20, 2026

He told Americans he was ordering a sharp reduction in the bombing of North Vietnam, in the hope that this would lead to peace talks with Hanoi.

From "Most Dangerous: Daniel Ellsberg and the Secret History of the Vietnam War" by Steve Sheinkin