Hanoi Flag Tower at the age of nearly 200 years is renowned as one of the symbols of Hanoi. The construction began in 1805 and completed in 1812, the 11th year of Gia Long time, Nguyen dynasty, five years after construction time of Flag Tower in Hue.

From 1894 to 1897, the French colonial destroyed most of the construction in Thang Long Imperial Citadel, and Flag Tower is one of rare architecture works which still remain today. Moreover, the image of Flag Tower has been embedded in many remarkable historic events; for example, the flag of Vietnam flew on the top of the Flag Tower for the first time in 1945, after The August Revolution’s success, and on October 10th, 1954- the capital libration day; image of Flag Tower is printed on the money paper issued firstly by the Bank of Vietnam.

Since 1986, there are always a national flag (24m2) flying on the top of Hanoi Flag Tower. One flag is only used within two to three weeks on average, so in one year, there are about 20 flags alternately flying in the sky of Hanoi.
Located on Dien Bien Phu street, at the center of the city, Hanoi Flag Tower is a historic attraction that tourists who arrive in Hanoi should visit once.