Wat Phothisomphon is a very important temple of Udon Thani province. The construction began in 1956 during the Rattanakosin period. His Majesty the King graciously gave royal permission to Wat Phothisomphon to be a royal monastery of the third class, common type, during the late of King Rama V Reign. Inside the temple, there are also many interesting places such as Phra Borom Thakudhamma Chedi, Phra Chedi Phithiphan, Sala Mongkhon Tham, etc.