Wat Arun Ratchawararam Ratchawaramahawihan or Wat Arun is a Buddhist temple (wat) in Bangkok Yai district of Bangkok, Thailand, on the Thonburi west bank of the Chao Phraya River. The temple derives its name from the Hindu god Aruna, often personified as the radiations of the rising sun. Wat Arun is among the best known of Thailand's landmark. The first light of the morning reflects off the surface of the temple with pearly iridescence. Although the temple had existed since at least the seventeenth century, its distinctive prang (spires) were built in the early nineteenth century during the reign of King Rama II.
Bangkok, officially known in Thai as Krung Thep Maha Nakhon and colloquially as Krung Thep, is the capital and most populous city of Thailand.
The majority (93 percent) of the city's population is Buddhist.
Rama I (reigned 1782–1809) of the Chakri Dynasty (which remains the current royal family of Thailand) founded the Rattanakosin Kingdom.
Under Rama I, new temples were constructed at the new capital of Rattanakosin (modern Bangkok), such as the royal Wat, Wat .