A small city in northern Mesopotamia often believed to have been the birthplace of the prophet Abaraham. It was briefly held by the Tulunids.
Tulunid coins minted in Harran:
American Numismatic Society http://www.amnumsoc.org/
Fehervari, G. "Harran" in EI2.
Grabar, Oleg. The coinage of the Tulunids. New York, American Numismatic Society, 1957.