Wat Phra Borommathat Chaiya Ratchaworawihan is a first-class royal monastery of Ratchaworawihan type, belonging to the Mahanikaya sect of Theravada Buddhism. It is located at 50 Rak Nakhon Road, Moo 3, Wiang Subdistrict, Chaiya District, Surat Thani Province. The temple houses the relics of Lord Buddha, making it an important religious site of Surat Thani Province.