Ong pagoda is considered as the most ancient and largest one of the chinese in Binh Thuan province,which is located at Duc Nghia ward, Phan Thiet city. According to the document, the pagoda was built in 1770. The pogoda includes a row of houses creating majesty general building on rather large area. The grirders of the pagoda are elaborately carved and there are pairs of vermillion lacquered and gilded wood panels on the columns. There are also many wood carving paintings that describes classic references in a vivid way. In the sanctum, many details are carved meticulously, which deeply carries out Chinese architecture.