Wat Ratchaburana is a Buddhist temple in the Ayutthaya Historical Park, Ayutthaya, Thailand. The temple's main prang is one of the finest in the city. Located in the island section of Ayutthaya, Wat Ratchaburana is immediately north of Wat Mahathat. Wat Ratchaburana is a Buddhist temple in the Ayutthaya Historical Park, Ayutthaya, Thailand. The temple's main prang is one of the finest in the city. Located in the island section of Ayutthaya, Wat Ratchaburana is immediately north of Wat Mahathat. Wat Ratchaburana was founded in 1424 by King Borommarachathirat II of the Ayutthaya Kingdom and built on the cremation site of his two elder brothers. The two brothers had fought to their deaths in a duel for the royal succession to their father Intha Racha.