As Vietnam's capital city and its second largest city, Hanoi is home to many tourist attractions with more than 5,000 historical, cultural and architectural relics. The interesting combination of western and eastern cultures offered by Hanoi is famous worldwide. The Imperial Citadel of Thang Long, the Temple of Literature, the Hanoi Opera House, and St. Joseph's Cathedral are among the must-visit cultural sites in Hanoi. According to the latest ranking released by World's Best Cities, Hanoi is the only city from Vietnam to feature in the top 100 best cities in the world in 2024.