Assyria. Assyria, also called the Assyrian Empire, was a Mesopotamian kingdom and empire of the ancient Near East and the Levant that existed as a state from perhaps as early as the 25th century BC until its collapse between 612 BC and 609 BC-spanning the periods of the Early to Middle Bronze Age through to the late Iron Age. This vast span of time is divided into the Early Period, Old Assyrian Empire, Middle Assyrian Empire and Neo-Assyrian Empire. From the end of the seventh century BC to the mid-seventh century AD, it survived as a geopolitical entity, for the most part ruled by foreign powers such as the Parthian and early Sasanian Empires between the mid-second century BC and late third century AD, the final part of which period saw Mesopotamia become a major centre of Syriac Christianity and the birthplace of the Church of the East. Greeks, Romans, and subsequently Arabs and Ottomans also took over control of the Assyrian lands. A largely Semitic-speaking realm, Assyria was centred on the Tigris in Upper Mesopotamia. The Assyrians came to rule powerful empires in several periods. Making up a substantial part of the greater Mesopotamian cradle of civilization, which included Sumer, the Akkadian Empire, and Babylonia, Assyria reached the height of technological, scientific and cultural achievements for its time. At its peak, the Neo-Assyrian Empire of 911 to 609 BC stretched from eastern Libya and Cyprus in the East Mediterranean to Iran, and from present-day Armenia and Azerbaijan in the Transcaucasia to the Arabian Peninsula. The name Assyria originates with the Assyrian state's original capital, the ancient city of Aššur, which dates to c. 2600 BC-originally one of a number of Akkadian-speaking city-states in Mesopotamia. In the 25th and 24th centuries BC, Assyrian kings were pastoral leaders. From the late 24th century BC, the Assyrians became subject to Sargon of Akkad, who united all the Akkadian-and Sumerian-speaking peoples of Mesopotamia under the Akkadian Empire, which lasted from c. 2334 BC to 2154 BC. After the Assyrian Empire fell from power, the greater remaining part of Assyria formed a geopolitical region and province of other empires, although between the mid-2nd century BC and late 3rd century AD a patchwork of small independent Assyrian kingdoms arose in the form of Assur, Adiabene, Osroene, Beth Nuhadra, Beth Garmai and Hatra. The region of Assyria fell under the successive control of the Median Empire of 678 to 549 BC, the Achaemenid Empire of 550 to 330 BC, the Macedonian Empire, the Seleucid Empire of 312 to 63 BC, the Parthian Empire of 247 BC to 224 AD, the Roman Empire and the Sasanian Empire of 224 to 651 AD. The Arab Islamic conquest of the area in the mid-seventh century finally dissolved Assyria as a single entity, after which the remnants of the Assyrian people gradually became an ethnic, linguistic, cultural and religious minority in the Assyrian homeland, surviving there to this day as an indigenous people of the region. Assyria can also refer to the geographic region or heartland where Assyria, its empires and the Assyrian people were centered. The indigenous modern Eastern Aramaic-speaking Assyrian Christian ethnic minority in northern Iraq, north east Syria, southeast Turkey and northwest Iran are the descendants of the ancient Assyrians. As Babylonia is called after the city of Babylon, Assyria means land of Asshur. Etymologically, Assyria is connected to the name of Syria, with both being ultimately derived from the Akkadian Assur. Theodor Noldeke in 1881 was the first to give philological support to the assumption that Syria and Assyria have the same etymology, a suggestion going back to John Selden.