The Greek Harmageddon (Ἁρμαγεδών) is a transliteration of the Hebrew Har Megiddon — 'Mountain of Megiddo.' It appears only in Revelation 16:16 as the gathering place for the kings of the earth in the final cosmic battle. Megiddo was a fortress city in the Jezreel Valley commanding a key pass in northern Israel — the site of numerous decisive battles throughout biblical history.
Armageddon is one of the most misunderstood words in the Bible. It appears exactly once (Rev 16:16) and is wrapped in apocalyptic symbolism. Megiddo in the Old Testament was the site where Deborah and Barak defeated the Canaanite kings (Judg 5), where Josiah was killed (2 Kgs 23:29), and where prophets saw the ultimate confrontation of powers. In Revelation, Armageddon is not primarily a geographic prophecy but a theological symbol: the gathering of all earthly power in final opposition to God — only to be overcome by the Word of God riding on a white horse (Rev 19:11-16). The battle is not won by superior military force but by the speech of the King. The final victory belongs not to the armies but to the Lamb.