Entrance leading to Ao Ba Om (meaning the Pond of Lady Om), also called Ao Vuong (meaning the Square Pond) is a relics of Tra Vinh, Mekong Delta, Vietnam. It's located at the Ward 8, about 5km on the way to the downtown of Tra Vinh. Tra Vinh is the town of Mekong Delta, we can see people pour the rice on the roads for drying.