How did Persian traditions influence Abbasid government?

The Abbasid caliphate significantly adopted Persian (Sasanian) traditions of government to manage their expanding empire, particularly as they shifted their focus eastward from the Umayyad center in Damascus to Baghdad.12

Key influences included:

• Administrative Structure: The Abbasids adopted the office of the vizier, a chief minister who acted as an intermediary between the sovereign and his subjects. This practice of the head of state withdrawing from direct contact with the public was a distinct imitation of Persian usage.3
• Bureaucratic Expertise: The Abbasids relied heavily on Persian families, most notably the Barmakids, who served as influential viziers and administrators. These officials managed state bureaus, land taxes, and the postal service, bringing sophisticated administrative methods to the caliphate.4
• Court Etiquette: The Abbasids embraced Sasanian court protocols and etiquette, which fostered a more formal and hierarchical imperial environment compared to the simpler traditions of the early desert Arabs.2

These Persianizing influences were part of a broader cosmopolitan effort to integrate diverse cultural elements into a cohesive Islamic civilization.2