Mahendraparvata, Cambodia — Mahendraparvata which means "Mountain of the Great Indra" is where Jayavarman II was consecrated as the first king of the Khmer Empire in 802. The name is attested in inscriptions on the Angkor-area Ak Yum temple
Photo Credit: By Urutseg - Own work, CC0, https://commons.wikimedia.org/w/index.php?curid=14548679