Dau Pagoda Festival takes place every year on the 8th day of the 4th lunar month in celebration of Buddha Man Nuong form of lower female children. This is one of the Buddhist festivals of the delta region and Northern area of Vietnam.
Dau pagoda is in Thuan Thanh district, Bac Ninh. It is about 30km away from Hanoi. Chua Dau is comprised of Phap Van, Phap Vu, Phap Loi, and Phap Dien to contain the word four Phap. The pagoda is at the centre of the prominent historical and cultural sites in northern Bac Ninh Province: the Luy Lau ancient citadel, Si Nhiep temple, and a system of pagodas, temples, villas, roads, markets, tombs, brick and pottery kilns. It is built on the site of an important 3rd century Buddhist centre, Dâu Pagoda in its present form was constructed by Mac Dinh Chi during the 14th century and underwent numerous renovations during the following centuries. It incorporates the three-storey, 17-metre high Haa Phong Tower, which houses a large bronze bell cast in 1793, a bronze gong cast during the 18th year of the reign of Nguyen king Minh Mang (1817) and various Buddhist statues.