This Is Ancient on Instagram: "Then and Now: Ur . Ur is an ancient city-state of Mesopotamia located in the Dhi Qar Governorate of southern Iraq. The earliest period of occupation dates from the prehistoric Ubaid period sometime between 6500 to 3800 BC, when the landscape was flooded regularly by the Euphrates and the Tigris rivers, which some scholars suggest is the source of the Mesopotamian floods from mythology. During the 4th millennium BC, the region was settled by the Sumerians, a non-Semitic and non-Indo-European agglutinative language isolate that developed a close cultural symbiosis with the East-Semitic Akkadians by the 3rd millennium BC. The first royal dynasty of Ur was established during the Early Bronze Age, with Ur becoming the capital of southern Mesopotamia around 250