Phra Uposatha is the main chapel in Wat Pho, #Bangkok, #Thailand. It was built during the reign of King Rama 1 and is in the Ayutthaya style. King Rama III rebuilt the Phra Uposatha and enlarged it. The main Buddha statue inside is the Phra Buddha Deva Patimakorn. It sits on a three-tier pedestal. Ashes of King Rama I is enshrined under the pedestal.