Cửa Hiển Nhơn is one of four main gates located in the East of the Hue Imperial Citadel to enter and leave the Citadel. Hien Nhon Gate was built in 1805 under the reign of King Gia Long.

Phu Văn Lâu is a historic building located in the city of Hue in Thua Thien Hue province, Vietnam. It was built during the Nguyen Dynasty, which ruled Vietnam from 1802 to 1945. The building was constructed in 1817 and served as a pavilion where the emperor would deliver speeches and proclamations to his subjects.

Hue Historic Citadel (Kinh thành Huế), located in Hue City, Vietnam, was the capital of the Nguyen Dynasty from 1802 to 1945. The Imperial City was built in the early 19th century during the reign of Emperor Gia Long and was designed to reflect the unique cultural and architectural traditions of Vietnam.

Nine Holy Cannons (Cửu vị Thần công) is the name of the nine cannons of the Nguyen Dynasty that were cast by Hue artisans in the second Gia Long year - 1803. These nine cannons are considered the largest in Vietnam, and are among the most valuable bronze works of art.

Thái Tổ miếu is a historical site dedicated to the worship of the first kings of the Nguyen dynasty. The construction of Thai To Mieu began in 1806 during the reign of Emperor Gia Long and was completed in 1833 during the reign of Emperor Minh Mang. The temple complex covers an area of over 7,000 square meters and features a range of traditional Vietnamese architectural styles.

Cửa Đông Bắc (Cửa Trài) is located in the northeast corner of Hue Citadel, on the west bank of the Dong Ba River. The arch was built in 1809 under the reign of King Gia Long, and the upper floor was built in 1824 under the reign of King Minh Mang.

Cửa Chương Đức is one of four main gates to enter the Hue Imperial Citadel. It is located in the Le Huan street, Huế, Vietnam.

Cửa Quảng Đức, also known as cửa Sập, is one of many entrances to the Hue Imperial Citadel and is a historical site that holds cultural and architectural significance. Cu­a Quang Duc is situated in the heart of Hue City, which is known for its rich history as the former imperial capital of Vietnam. It is located in the Thua­n Hoa  neighborhood, which is within close proximity to many other notable landmarks and attractions in the city.

Cửa Hoà Bình is one of four gates to enter the Imperial City which is a walled enclosure within the citadel of the city of Hue, the former imperial capital of Vietnam during the Nguyen dynasty. It is located in the back of the Imperial City.

The Hue Citadel Gate (Ngọ Môn) in Hue, Vietnam, is the main gateway to Hue City, a UNESCO World Heritage site and the former capital of Vietnam under the Nguyen Dynasty. The gate is one of the most iconic architectural landmarks in Hue City and serves as the entrance to the Forbidden City, a space reserved exclusively for the emperor, his family, and his concubines.