Wat Phra Si Rattana Mahathat (Thai: วัดพระศรีรัตนมหาธาตุ; "Temple of the Great Jewelled Reliquary"), colloquially referred to as Wat-Phra-Si or Wat Yai (Thai: วัดใหญ่; "Big Temple"), is a Buddhist temple (wat) in Phitsanulok Province, Thailand, where it is located on east bank of Nan River, near Naresuan Bridge and opposite Phitsanulok Provincial Hall. It is about 337 km from Bangkok.
Buddha statues in Thailand are typically made of stone, wood, clay, or metal cast.
While there are such figures in all regions where Buddhism is commonly practiced, the appearance, composition and position of the statues vary greatly from country to country.
In Thailand the statues of Buddha recall specific episodes during his travels and teachings that are familiar to the Thai according to an iconography with specific rules. .