Located in central Vietnam, Hue was the country’s imperial capital for 143 years. The city is filled with marvelous temples, pagodas, and citadels that were built by the emperors of the Nguyen Dynasty. A visit to Hue is not complete without exploring the ancient Citadel, taking a cruise on the Perfume River, and visiting the magnificent tombs of the emperor. Here’s a guide on how you can spend three perfect days exploring this wonderful city.…