Map of the Abbasid province of Adharbayjan, together with dependencies and surrounding regions, in the mid to late ninth century AD. The principal sources of this map are al-Tabari, volume 33; Ibn Khurradadhbih, pp. 30, 38, 67-68, 91-95 (French translation); Le Strange, Maps III and V; Minorsky, pp. 189-90. 
Works Cited:

Ibn Khurradadhbih, Abu al-Qasim 'Abd Allah. Kitab al-Masalik wa'l-Mamalik. Ed and trans. M.J. de Goeje. Leiden: E.J. Brill, 1889.
Le Strange, Guy. The Lands of the Eastern Caliphate: Mesopotamia, Persia, and Central Asia, from the Moslem conquest to the time of Timur. Cambridge: Cambridge University Press, 1905.
Minorsky, M. "Adharbaydjan." The Encyclopaedia of Islam, Vol I. New Edition. Leiden: E.J. Brill, 1960. ISBN 90-04-08114-3.
Al-Tabari, Abu Ja'far Muhammad ibn Jarir. The History of al-Tabari. Ed. Ehsan Yar-Shater. 40 vols. Albany, NY: State University of New York Press, 1985-2007.
Own work
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