Draɛ Lgayed d yiwet tɣiwany i yegber tawilayt n Bgayet, d taɣiwant i tebɛen ɣer usun n Xerraṭa, tezga-d deg unẓul- asammar n ugezdu n Bgayet, tamnaḍt-a d taqenṭart gar snat n twilayin : Bgayet akked Sṭif, tebɛed ɣef tlemmast n ugezdu n Bgayet s wazal n 70 km, d tamenaḍt i yellan wessiεet tajumma-ines ad taweḍ ɣer 120,16 km2.