Flood waters submerged the 23 Thang Tam Street in front of the Meridian Gate, also known as the South Gate, the main gate to the Imperial City in Hue, leaving visitors to wade in water.
Torrential rains have been lashing central Vietnam in the past three days due to the impact of a mass of cold air, with Thua Thien Hue among localities being hit hardest.
Several places in its capital Hue City received more than 800 mm rainfall in 24 hours, and the entire city was flooded by Wednesday night.
Flooding in Imperial Hue City and surrounding area. Video by VnExpress/Vo Thanh
A group of tourists and their tour guide splash in the water along Cua Ngan Street to enter the citadel.
To prevent the fish raised inside the citadel from swimming away, local authorities set up barriers and nets.
Two tourists take pictures as local people row a boat along Tran Hung Dao Street in front of Thuong Bac Temple, built by King Tu Duc in 1875 to receive ambassadors from other countries.
Floods intrude the moat surrounding the citadel, leaving Tran Huy Lieu Street along the moat 0.5 m under water.
Flood waters cover the entire citadel.
The Complex of Hue Monuments is a UNESCO World Heritage Site in Hue City.
Established as the capital of newly unified Vietnam in 1802 under the reign of emperor Gia Long, Hue played a vital role as the political, cultural, and religious center of the empire.
Binh An Duong relic on Dang Thai Ngan Street is submerged by 0.5 m.
Built in 1823, the building was once used as a medical center to treat eunuchs and maids that served kings and queens.
A man takes advantage of the flooding to fish.
More rains and floods are expected for Thua Thien Hue on Thursday and Friday.
By Wednesday night, Hue City lying at the downstream of the Huong River, was inundated by 0.5-1.2 m, with 8,500 houses submerged by 0.8-1.2 m.
One person in Hue has died and another remains missing.