Ancient city-state, western bank of the Euphrates River .
Its remains lay southeast of Gaziantep , Tur., near the Syrian border. It was a city of the Mitanni kingdom in the 2nd millennium BC and later a chief Hittite city. Captured by the Egyptians under Thutmose III in the 15th century BC, it came under Assyrian rule in 717 BC. In a battle at Carchemish in 605 BC, Nebuchadrezzar II expelled the Egyptians from Syria.