The three ancient Chinese characters at the top of the entrance of Quan Thanh Temple read "Tran Vu Quan", which means that the temple is dedicated to Huyen Thien Tran Vu, the God who guarded and administered the north of the country. Saint Tran Vu was both a Vietnamese legendary character (who assisted Emperor An Duong Vuong in chasing away ghosts during the construction of Co Loa Citadel) and a Chinese legendary character (who guarded and administred the North).
Quan Thanh Temple was built during the reign of Emperor Ly Thai To (1010-1028). Special attention should be paid to the black bronze statue of Saint Tran Vu, nearly 4 m in height and 4 tons in weight, was casted in 1677 located in the main hall. Also noticeable, a 1.5m high ancient bronze bell hangs at the top of the three-gate entrance. In the temple, a small black bronze statue of Old Trong, the chief artisan of the bronze casting team who made the bell and the giant statue of Saint Tran Vu. To commemorate the great contributions of their teacher, Old Trong's students cast his statue and placed it in the temple so that future generations would remember him.
The Temple is located at the southern end of Duong Thanh Nien (Youth Road), near the intersection of Quan Thanh St. and Duong Thanh Nien, 2km west of Hoan Kiem Lake. It is open daily