Tawilayt n Ssɛida d Tawilayt deg tmurt n Lezzayer. Zedɣen-tt 330 641 n yimezdaɣen. Ma d tajumma-ines tesɛa azal n 6 764 km². Tamanaɣt ines d tamdint n ssɛida. Tawilayt-a tebḍa ɣef 6 n tdayriwin: Tadayra n Ɛin Leḥǧer (Ɛin Leḥǧer, Mulay Lɛerbi, Sidi Ḥmed)Tadayra n Leḥsasna (Leḥsasna, Ɛin Ssxuna, Meɛmura)Tadayra n Wlad Brahim (Wlad Brahim, Tirsin, Ɛin Sselṭan)Tadayra n Ssɛida (Ssɛida)Tadayra n Sidi Bubker (Sidi Bubker, Wlad Xaled, Sidi Ɛmer, Hunet)Tadayra n Yub (Yub, Dwi Tabet)