The structures, which had been proved in some places, were established by wood and had been ruined. However, the remaining stone monuments were testified in Angkor Thom and were recognized as a “Great City” as its name implies. The temple located in inside the walls of city involved in the article included Bayon, Phimeanakas, Baphuon, Terrace of the Elephants, Terrace of the Leper King, Prah Palilay, Tep Pranam and Prasat Suor.
In the city of Angkor Thom, the Royal Palace is an earlier date and did belong to kings of the tenth and first half the tenth being been come to first half of the eleventh centuries. The foundations and an enclosing wall around the palace with entry towers have been found, but it was little evidence which have been remained so far according to the layout of the buildings inside the enclosure. Due to absence of archaeological evidence of royal buildings, it was not identified for the royal buildings existed, but it may be suggested that it was gone according to time.