Nirizhi Nerzhi or Niriji is one of the branches of Jaff, a Kurdish nomadic confederation at west of Iran and northeast Iraq. Nirizhi is a branch of Guran Jaff which is one of the three major groups of Jaff1. The Jaff tribe who mainly lived in the Javanrood area, and migrated seasonally to the plain of Zahab, mainly moved to the Ottoman-dominated areas of Sulaimaniyah following a battle with the governor of Ardalan in the seventeenth century, during which their supreme chief captured and killed. But some of the branches that remained in the Javanrud area gradually moved away. The Nirizhi branch along with the Kuwaik, Taishaii, Gorg Ghaeish, Qader Mirwaisi, Kolkani, and Yusef Yarahmadi separated from the Jaff branches at the Javanrud region by the mid-nineteenth century, and joined the Guran