Susa or Shush is a city in the northwest of Ahvaz. The ancient city of Shush is one of the ancient civilization centers, one of the most famous cities in the world, capital of the Ilam country with thousands of years old and the capital of the Achaemenid Empire. Shush was a flourishing city in the Middle Ages and a major center in Khuzestan area. In lower classes of this city archaeologists find the works which consider them to eight thousand years ago. The tomb of Daniel is located in Shush. In Abrahamic religions belief Daniel is one of the prophets of Israel in the seventh century BC.
Susa was the capital from 2700 BC and the capital continues until the end of the Achaemenid Empire. Shush is one of the oldest cities in the world. Archaeological excavations indicate that this area was a farming place in 9000 BC location.
Historical site of Susa was registered in the World Heritage List as seventeenth effect of Islamic Republic of Iran.