Map of the Arab-Byzantine frontier zone from the late 7th to the 10th centuries, with the major settlements and fortresses (Arab names in italics).
Own work based on: Middle East topographic map-blank.svg
References:

Haldon, John F. (1997)       Byzantium in the Seventh Century: The Transformation of a Culture, Cambridge:  Cambridge University Press, p. 106  ISBN:  9780521319171.  OCLC:   1028767672. 
Haldon, John F. (2005)       The Palgrave Atlas of Byzantine History, London:  Palgrave Macmillan, p. 109  ISBN:  9781403917720.  OCLC:   62328348. 
Kaegi, Walter Emil (1995)       Byzantium and the early Islamic conquests, Cambridge:  Cambridge University Press, p. 241  ISBN:  9780521484558.  OCLC:   32616811.
Cplakidas