Sambor prei kukis an archaeological site in cambodia located in kampong thom province 30km 19mi north of kampong thom the provincial capital 206km 128mi north of phnom penh the now ruined complex dates back to the pre angkorian chenla kingdom late 6th to 9th century established by king isanavarman i as central royal sanctuary and capital known then as isanapura the cambodian government has included sambor prei kuk on its tentative list of unesco world heritage sites