Explores the establishment of Annamnikaya Mahayana Buddhism in Thailand and its connection to Vietnameseimmigration. Traces the arrival of the Vietnamese in Siamsince the Thonburi period and examines their role infounding Annamnikaya temples, which became recognized aspart of Mahayana Buddhism in Siam during the reign of KingRama V. Investigates the history of Samananam BorihanTemple, focusing on its founding, the contributions of theVietnamese community, and the temple’s role in earlyRattanakosin society. [TAIC].