Sinjar is a small town in northwestern Iraq near the Syrian border, with an estimate population in the 2006 census of about 39,875 residents [1].

The wall and other evidence at a huge mound in northeastern Syria known as Tell Hamoukar indicate a complex government dating back at least 6,000 years. It has been known for some time that the Sinjar valley belonged to the Northern Ubaid culture. In the Sinjar plain, where Tell Hamoukar is located, civilizations are known to have existed many centuries earlier (Hassuna, Halaf, Ubaid). More than 200 sites are known. Hamoukar is the site of the worlds oldest known city according to archaeologists who believe they have uncovered it in a remote part of Syria near the Iraqi border. ... The tell (mound) of Ubaid near Ur in southern Iraq has given its name to the prehistoric culture which represents the earliest settlement on the alluvial plain of southern Mesopotamia. ... Hassuna was a Mesopotamian town in Mosul, Iraq. ... Hunting scene relief in basalt found at Tell Halaf, dated 850-830 BCE The Halafs were a population living in 5500 - 4500 BC in northwestern Mesopotamia. ... The tell (mound) of Ubaid near Ur in southern Iraq has given its name to the prehistoric culture which represents the earliest settlement on the alluvial plain of southern Mesopotamia. ...

The population of Sinjar is predominantly two groups: Yezidi and Kurdish. The Yezidi or Yazidi (Kurdish; Êzidî) are adherents of a small Middle Eastern religion with ancient origins. ... The Kurds are an Iranian ethnic group inhabiting a mountainous area of the Middle-East that includes parts of Iraq, Turkey, Iran, Syria i. ...