Wat Arun (Thai: วัดอรุณ, Wat Arun), also known as Xiao Temple, Temple Arun or Temple Arun, is a Buddhist temple on the west bank of the Chao Phraya River, the "river of blood" in Ai County, Bangkok, the capital of Thailand. Its full name is วัดอรุณราชวรารามราชวรมหาวิหาร (Wat Arunratchawararam Ratchaworamahavihara). It enjoys the reputation of "Thailand's Eiffel Tower".