Wat Phra Sri Rattana Mahatat Woramahawihan is a Buddhist temple (Wat) in Phitsanulok, Thailand, where it is located on the bank of the Nan River near the Naresuan Bridge.The cloister of the temple was established in 1357 during the reign of King Maha Thammaradscha I of Sukhothai.Wat Yai is famous throughout Thailand for its golden sculpture of the Buddha called the Phra Buddha Chinnarat . Many Thai people consider the Phra Buddha Chinnarat to be the most beautiful Buddha portrait in Thailand. It depicts Buddha in the posture of overcoming Mara (Thai: ), also called Mara submission.