The festival annually held in Ao Ba Om in village 4, Ward 8 (Tra Vinh city), is a traditional folk festival associated with belief, customs of the Khmer people in Tra Vinh province in particular and Southern Khmer people in general.

Tra Vinh is currently home to 300,000 ethnic Khmer, one of two provinces with a large number of ethnic Khmer people in the Mekong Delta.

Ok Om Bok, a moon worshipping ritual performed by the Khmer ethnic group, is one of the three main festivals, along with Sen Dolta and Chol Chnam Thmay festivals, was celebrated every year at full moon in the 10th lunar month with many traditional and modern activities.  

Currently, Tra Vinh has four national intangible cultural heritages namely: My Long Beach festival, Don ca tai tu (traditional music of southern Vietnam), the art of Cham rieng Cha pay (a singing style with cha pay musical instrument) of Khmer artists in Tan Hiep commune (Tra Cu district) and Ok Om Bok festival of Khmer people. /.

DT