History of Iran an Greater Iran (also referred to as the "Iranian Cultural Continent" by the Encyclopedia Iranica) consists of the area from the Euphrates in the west to the Indus River and Jaxartes in the east and from the Caucasus, Caspian Sea, and Aral Sea in the north to the Persian Gulf and the Gulf of Oman in the south. It includes the modern nations of Iran, Azerbaijan, Afghanistan, Turkmenistan, Tajikistan, Uzbekistan, the eastern part of Turkey, Iraq and the parts of Pakistan west of the Indus. It is one of the world's oldest continuous major civilizations, covering thousands of years, from the ancient civilization on the Iranian plateau, Mannaeans civilization in Azarbaijan, Shahr-i Sokhta (Burned City) near Zabol in Sistan va Baluchestan, and the ancient Jiroft civilization in Kerman (more than 5000 BCE) followed by the kingdom of Elam (more than 3000 BCE) and the Median, Achaemenid, the Parthian, the Sassanian dynasties and following Empires to the modern Islamic Republic of Iran.