Hanoi.

Hanoi, the capital of Vietnam, is a city that blends tradition and modernity. It is not only the political and cultural center of Vietnam, but also an important economic city. Hanoi's history can be traced back to the 7th century. It has been the capital of many dynasties and has a rich cultural heritage. **Hanoi Travel Guide:** 1. **Hanoi Introduction:** Hanoi is the capital of Vietnam, located in the Red River Delta, known as the "Purple City". It is a historic city that was once occupied by France. It became the capital of Vietnam in 1976 after the reunification of North and South Vietnam. 2. **Hanoi Flights:** You can fly directly from Taiwan to Hanoi and arrive at Noi Bai International Airport (HAN), which is about 45 kilometers from the city center. Many airlines offer direct flights, with a flight time of about 2 hours and 55 minutes. 3. **Hanoi Security:** Hanoi is the capital city and has relatively good security. However, tourists should still pay attention to their personal belongings and avoid being scammed. 4. **Hanoi Airport Transportation:** Hanoi Noi Bai Airport offers a variety of transportation options, including buses, taxis, Grab cars, and private car services. Bus route 86 goes directly to the city center, while taxis and Grab cars are more convenient. 5. **Hanoi City Transportation:** Hanoi city transportation options include buses, taxis, Grab cars, and motorbike taxis. There are many bus routes, while taxis and Grab cars are more convenient. 6. **Hanoi Attractions:** Hanoi city attractions are concentrated, including the Thirty-Six Old Streets, Thang Long Water Puppet Theatre, and St. Joseph's Cathedral. Ba Dinh Square and Thang Long Imperial Citadel are located in West Lake District. Outlying attractions such as Ha Long Bay, Luong Van Bay, and Sapa require longer travel times. 7. **Hanoi Accommodation:** Hanoi offers a variety of accommodation options, from affordable design hotels to five-star hotels. It is recommended to stay in Hoan Kiem District, which has convenient transportation and good security. 8. **Hanoi Cuisine:** Hanoi cuisine is diverse, including Vietnamese pho, Vietnamese baguettes, and Vietnamese spring rolls. Hanoi has a wide variety of restaurants to satisfy different tastes. 9. **Hanoi Souvenirs:** Vietnamese coffee, Vietnamese instant noodles, mung bean cakes, and First Row Sugar are all must-buy souvenirs for Vietnam free travel. 10. **Hanoi Itinerary Planning:** It is recommended to spend at least two days in Hanoi city and visit surrounding attractions such as Ha Long Bay to experience the blend of history and modernity in Hanoi.