Tadayra n Gdeyyel d tadayra deg tmurt n Lezzayer, tettiki deg twilayt n Wehran. Ma d tajumma-ines tesɛa azal n 188,78 km². Tamanaɣt ines d tamdint n gdeyyel. Tadayra-a tebḍa ɣef 3 n tɣiwanin: Ben FriḥaḤasi MefsuxGdeyyel