Megiddo, modern Tel Megiddo, important town of ancient Palestine, overlooking the Plain of Esdraelon (Valley of Jezreel). It lies about 18 miles (29 km) southeast of Haifa in northern Israel. Megiddo’s strategic location at the crossing of two military and trade routes gave the city an importance far beyond its size. It controlled a commonly used pass on the trading route between Egypt and Mesopotamia, and it also stood along the northwest-southeast route that connected the Phoenician cities with Jerusalem and the Jordan River valley. It is thought that the word Armageddon is derived from Megiddo, since the prefix har