Abstract
The researcher talked about an important era of the Islamic history (Al Atabaket Nation) ,which ruled north of Iraq from (Mosul) to Shahrazour east (Kirkuk and Sulaymania ) and near Syria sea shores west ,,and from Diyarbakir and the Kurds Mountains north to Haditha south ,the researcher talked about the leader role (Emad Ad din Aq Sanqar) in establishing his nation and fixing the foundations of governance ,and the reasons that helped him in achieving his means to reach the highest rule ,and he mentioned how he got the authority from the Seljuk ,and his role in fighting the Crusaders ,the researcher also focused on the political details for the Atabaket through the ruling system details and the judiciary system which based upon the Al-Shafi‘i doctrine that Atabaket gave it a great importance and they put on the head of this system a high reference known as (the Judge of the Judges ) ,the financial system and the Atabaket concern didn’t neglect the coinage ,he also mentioned their concern in Military organization and formation of the systemic armies to keep the nation safety ,the researcher showed the social life in the Atabaket era and the people varieties and their religious differences .