Wat Mahathat In Bangkok - Wat Mahathat Yuwaratharangsarit Ratchaworamahawihan Near Sanam Luang In Bangkok, Thailand. The Temple, A Royal Temple Of The First Grade, Is Situated To The North Of The Royal Palace. It Was Built In The Ayutthaya Period And Called Wat Salak. King Rama I Renamed The Temple Wat Phra Sri Sanphechayadaram And Later Wat Mahathat. Photo