Caliphate
In 635 Paneas gained favourable terms of surrender from the Muslim army of Khalid ibn al-Walid after it had defeated Heraclius’s forces. In 636 a, second, newly formed Byzantine army advancing on Palestine used Paneas as a staging post on the way to confront the Muslim army at Yarmuk.
The depopulation of Paneas after the Muslim conquest was rapid, as its traditional markets disappeared. Only 14 of the 173 Byzantine sites in the area show signs of habitation from this period. The hellenised city thus fell into a precipitous decline. At the council of al-Jabiyah, when the administration of the new territory of the Umar Caliphate was established, Paneas remained the principal city of the district of al-Djawlan (the Golan) in the jund (military Province) of Dimshq (Damascus), due to its strategic military importance on the border with Filistin (Palestine).
Around 780 CE the nun Hugeburc visited Caesarea and reported that the town 'had' a church and a great many Christians, but her account does not clarify whether any of those Christians were still living in the town at the time of her visit.
The transfer of the Abbasid Caliphate capital from Damascus to Baghdad inaugurated the flowering of the Islamic Golden Age at the expense of the provinces. With the decline of Abbasid power in the tenth century, Paneas found itself a provincial backwater in a slowly collapsing empire, as district governors began to exert greater autonomy and used their increasing power to make their positions hereditary. The control of Syria and Paneas passed to the Fatimids of Egypt.
At the end of the 9th century Al-Ya'qubi reaffirms that Paneas was still the capital of al-Djawlan in the jund of Dimshq, although by then the town was known as Madīnat al-Askat (city of the tribes) with its inhabitants being Qays, mostly of the Banu Murra with some Yamani families.
Due to the Byzantine advances under Nicephorus Phocas and John Zimisces into the Abbasid empire, a wave of refugees fled south and augmented the population of Madīnat al-Askat. The city was taken over by an extreme Shī‘ah sect of the Bedouin Qarāmita in 968. In 970 the Fatimids again briefly took control, only to lose it again to the Qarāmita. The old population of Banias along with the new refugees formed a Sunni sufi ascetic community. In 975 the Fatimid al-'Aziz wrested control in an attempt to subdue the anti-Fatimid agitation of Mahammad b. Ahmad al-Nablusi and his followers and to extend Fatimid control into Syria. al-Nabulusi’s school of hadith was to survive in Banias under the tutelage of Arab scholars such as Abú Ishaq (Ibrahim b. Hatim) and al-Balluti.
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