Angkor Thom, the inner royal city, was built by the end of the 12th century during the reign of King Jayavarman VII (1181-1219), shortly after Angkor had been conquered and burnt down by the Chams.

• 通王城又称大吴哥，是吴哥王朝的首都，东南亚历史上最宏伟的都城，鼎盛时人口达上百万。多次毁于战火，后几经重修，最终在1426年被废弃。