Wikipedia
Fezzan (, Fizzān, , ) or Phazania is the southwestern region of modern Libya. It is largely desert, but broken by mountains, uplands, and dry river valleys ( wadis) in the north, where oases enable ancient towns and villages to survive deep in the otherwise inhospitable Sahara Desert. The term originally applied to the land beyond the coastal strip of Africa proconsularis, including the Nafusa and extending west of modern Libya over Ouargla and Illizi. As these Berber areas came to be associated with the regions of Tripoli, Cirta or Algiers, the name was increasingly applied to the arid areas south of Tripolitania.
Usage examples of "fezzan".
Mohammed Ben Amud Bou Saad, at a salary of ten reals of Fezzan a month.
In the region of the great lakes, throughout the vast district which feeds the market of Zanzibar, in Bornu and Fezzan, further south on the banks of the Nyassa and Zambesi, further west in the districts of the Upper Zaire, just traversed by the intrepid Stanley, everywhere there is the recurrence of the same scenes of ruin, slaughter, and devastation.
Libyan peoples, and most of all by the Garamantes who lived to the west of them, south of the gulf of Tripoli, in what is now the Fezzan.
Roman legate, Cornelius Balbus, conquered not only the Garamantes of the Fezzan -- which is not in question -- but went on southward until it reached the Niger.