Au Co is a legendary figure in Vietnamese mythology, often regarded as the mother of the Vietnamese people. She is said to be the daughter of the Dragon King and is known for giving birth to a hundred eggs, which eventually hatched into the first Vietnamese ancestors. Her story symbolizes the unity and strength of the Vietnamese nation. In addition to her role as a mother, Au Co is associated with the founding of the Lạc Việt people, who are considered the ancestors of modern Vietnamese. Her tale highlights themes of love, sacrifice, and the importance of family in Vietnamese culture.