From Hanoi or Ho Chi Minh City - take the overnight bus/train to Hue. Either way, you can stop by this place as a transit in between the two more famous cities. From Phu Bai Airport (15km from the city) you can fly to/from Hanoi or Ho Chi Minh City.
What to do and see.
Hue Riders: Motorcycling through the villages, rice fields, mountains, valleys, rivers, beaches and meet with local people along the way. A motorbike really is a great way to get around the country given the appalling state of many of Vietnam country's roads though to somebody's credit, many are getting some kind of upgrade now and contrary to what one may assume, you do not have to be an experienced rider to navigate most of these roads.
Tomb of Khai Dinh: Breathtaking in its ornate glass and porcelain opulence, this emperor's tomb is one of the area's most flamboyant attractions. Emperor Khai Dinh (1885-1925) ruled Vietnam for 9 years. His tomb took 11 years to complete. Construction began in 1920 and was completed in 1931.
Ngu Binh hotel The hotel is located in the left heart of Hue city, 15 km far from Hue airport and just 1 km to banks and post office. It is a good location and easy to travel to tourist sites of Hue.
La Residence Hotel & Spa : La Residence Hotel & Spa is brilliantly located on the river banks of the Perfume River in the center of Hue. Its incredible location overlooking the Citadel and the Perfume River gives this resort its uniqueness embracing total serene tranquillity.
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