Hanoi and Saigon. Both are cities in Vietnam, a Southeast Asian country. The two cities account for over 10 million of the Vietnamese people. Hanoi has a congested city center and a more modern atmosphere, while that of Saigon has lots of high-rises, juxtaposing historical architecture with modern buildings. They both have unique sights such as the Old Quarter that is around Hoan Kiem Lake, the War Remnants Museum, and the Government Palace, which will attract tourists.
No, Hanoi and Saigon (now officially known as Ho Chi Minh City) are 2 completely different cities in Vietnam. Hanoi is the capital and is located in the north of the country, while Ho Chi Minh City (formerly Saigon) is located in the south and is the largest city in Vietnam.