the Angkorian site is “The Peuy Noi Angkor” located at Moo.1, Peuy Noi Subdistrict, Peuy Noi of Khon Khan Province. It is still in the most complete condition of which the Angkorian sites found in the upper of the Northern regional of Thailand. It is presumed to be established dating back to the 16th-the 17th centuries as a religious site for religious ceremonies. Its architecture consists of 4 of old buildings made of laterite, sandstones and bricks, surrounded with the rectangular glass wall. Inside at the eastern south the wall stands the Bannalai or the Buddha Image hall which is presumed to be the place for the scripture storage.