Delles tezga-d deg ugafa n lwilaya n Bumerdes, tebɛed fella-s azal n 50 n yikilumitren, ma ɣef lwilaya n Tizi Wuzzu azal n 45 n yikilumitren, tekcem azal n 7 n yikilumitren ɣer lebḥar, kkant-as-d seg unẓul Ben choud akked Baghliya, seg ugafa Sidi Dawd, teṭṭef azal n 50.6 km2 zedɣen deg-s azal n 32 954 n yimezdaɣ.