The City of Vietnam is Hanoi, which is the capital city of the country. It is located in the northern part of the country and is the second largest city in the country. Hanoi is known for its rich culture, history, and architecture. It is home to many important landmarks, such as the Temple of Literature, the Ho Chi Minh Mausoleum, and the One Pillar Pagoda. Hanoi is also a popular tourist destination, with many attractions such as the Old Quarter, the Hoan Kiem Lake, and the Thang Long Imperial Citadel.