Abyei Region is one of the longstanding disputed territories between Sudan and South-Sudan. The impact of Abyei dispute on Sudan's body-politick is the central theme of the book. In an effort to give adequate background of their impact on the controversy, the book will attempt to trace the origin of Dinka nationality in general and Ngok Dinka, in particular. Indisputably, the wrong administrative placement of Abyei, area was a contributing factor in the country recent civil wars. Unless an amicable solution is found it may trigger another disastrous conflict between the two republics. Hence, a compelling need for thorough searching for an amicable solution.