Tra Co Festival starts annually from the 29th or 30th day of the 5th month to the 1st day of the 6th lunar month in Tra Co village which is 8 kilometres from Mong Cai town, is part of Hai Ninh district, Quang Ninh province.

Tra Co temple is located on a small peninsula, at the northernmost end of the country and the latter’s northeastern region. Tra Co has an area of 12sq.km and over 1,000 inhabitants, and is credited with many scenic spots and historical and cultural vestiges such as the Mang dunes, the Tra Co communal house, the Linh Khanh pagoda, the Xuan Lan pagoda and a number of interesting customs. Consequently, Tra Co is quite popular with Vietnamese and foreign visitors.