The objective of this panel is to show up the latest results of archaeological, epigraphic and art historical research of Koh Ker and thereby highlight its importance in the early history of the Khmer Empire as well as its significance as part of Cambodian cultural heritage. Prasat Krachap is the richest shrine complex in terms of inscribed surfaces at Koh Ker. The number of inscriptions still ‘in situ’ today is far higher than in the territory of Koh Ker as a whole. The Coedes IC Inventory records 38 inscriptions found on the mandapa pillars, the doorposts and portico columns of the western gopura, and the inner (western) mandapa pillars of the eastern gopura (Fig. 002, 003). The thousands of lines of Khmer script carved onto the pillars enumerate the names of servants according to geographical groupings, with a single exception—as asserted in the current research work—where the beginning of the lines of script contains the date 850 caka (928 A.D.), the name of the god Tribhuvanadeva and also the founder King Jajavarman IV (IC1:52).