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TL;DR: Po Nagar Tower is vivid evidence of Cham-Viet cultural exchange. The Cham goddess Po Inư Nagar was acculturated by the Vietnamese into Thien Y A Na, becoming a symbol of the Mother Goddess revered by both communities.
How are Po Inư Nagar and Thien Y A Na connected?
On Cù Lao hill in Nha Trang, overlooking the Cai River, the Po Nagar Tower complex stands as a historical witness. This is not just an ancient Cham architectural work but also a unique meeting point of Cham and Vietnamese culture. At its heart lies the tower dedicated to Po Inư Nagar, the supreme goddess in Cham belief, whom the Vietnamese affectionately call Thien Y A Na Thánh Mẫu.
The Goddess Po Inư Nagar in Cham Consciousness
The Cham people call her Yang Pô Inư Nagar, meaning Mother of the Country. In Cham culture, she is the creator goddess who taught people to cultivate rice, raise livestock, weave fabric, and establish customs. She symbolizes fertility, life, and civilization, reflecting the matriarchal influence in ancient Cham society.
Why did the Vietnamese adopt the Thien Y A Na legend?
Around 1653, when Vietnamese settlers began developing the Khánh Hòa region, they encountered the worship of Po Inư Nagar. Carrying their own deep-rooted Mother Goddess tradition, they adopted and transformed the Cham goddess into Thien Y A Na Thánh Mẫu. Legend tells of a celestial princess abandoned in the forest, raised by a fairy and Buddha, who then taught people farming and healing. Before returning to heaven, she left her robe and continued to protect the people. This story was recorded by Mandarins Phan Thanh Giản and inscribed on a stele in 1856.
The main rituals in the Tháp Bà Ponagar Festival according to time and content.
| Time | Ritual | Main content |
|---|---|---|
| Noon on 20/3 | Robe changing ceremony | Bathing the statue with water boiled from wine and five fragrant flowers, dressing the Mother in new attire |
| Evening of 20/3 | Flower lantern releasing ceremony | Praying for the salvation of souls |
| Morning of 21/3 | Ceremony for national peace and people's well-being | Conducted by the Executive Board of the Khánh Hòa Provincial Buddhist Sangha |
| Dawn of 23/3 | Traditional offering ceremony | Conducted by the elders of Cù Lao communal house |
| After the traditional offering ceremony | Khai Diên ceremony, Tôn Vương ceremony | Tuong singing performances |
| Night of 23/3 | Incense offering ceremony to thank the Mother | Closing a festival season |
What happens at the Po Nagar Festival?
The Po Nagar Festival, also known as the Thien Y A Na Festival, takes place annually from the 20th to the 23rd of the third lunar month. Recognized as a National Intangible Cultural Heritage in 2012, it has become a shared cultural space for Cham, Kinh, and other ethnic groups from Central Vietnam and the Central Highlands.
Main Rituals
The festival features numerous solemn ceremonies. The Robe Changing Ceremony occurs at noon on the 20th, involving bathing the statue with water infused with wine and five fragrant flowers, then dressing the Mother in new robes. The Flower Lantern Release in the evening prays for departed souls. The National Peace Prayer is led by the Buddhist Sangha on the morning of the 21st. Traditional ceremonies by village elders take place before dawn on the 23rd, followed by the Khai Diên and Tôn Vương ceremonies with classical opera performances. The festival concludes with the Thanksgiving Ceremony on the night of the 23rd.
Shadow Dance and Cultural Evolution
The Shadow Dance (Múa Bóng) is an indispensable feature. Elders recall that the old Bong village was home to Cham dancers performing at the site. Today, Kinh performers, influenced by mediumship practices from Central and Northern Vietnam, predominantly carry out this dance, while Cham pilgrims primarily focus on ritual worship. This shift illustrates the ongoing cultural exchange, with the Vietnamese enriching the Cham heritage and creating a new, shared identity.
What does religious syncretism mean?
The coexistence of two legends and two names for the same deity at Po Nagar reveals a peaceful and profound process of acculturation. The Vietnamese did not erase Cham beliefs but adopted and localized them, transforming Po Inư Nagar into Thien Y A Na, a familiar Holy Mother. The Nguyen emperors elevated her to the rank of Thuong dang than, formalizing her place in the Vietnamese pantheon.
The Po Nagar Festival is thus more than a commemoration of the Mother Goddess; it is a symbol of unity among the Cham and Vietnamese communities of Central Vietnam. Each festival season, thousands of pilgrims from Ninh Thuận, Bình Thuận, and Gia Lai converge in Nha Trang to offer incense and prayers, immersed in a shared cultural atmosphere. This is living proof of a belief system's enduring vitality, one that has transcended ethnic boundaries to become a national heritage.
