Tɣiwant n At Yillilten 2 tezga-d deg unẓul n lwilaya n Tizi-Wezzu, ɣer tama n usammer ad naf At Sellam, d wat Tizi Icellaḍen, ma ɣer tama n ugafa ad d-naf taɣiwant n Ilula Umalu, ɣer tama n umalu ad naf asun n ifeṛḥunen, taɣiwant-agi n Illilten d tin wessiɛen di tjumma n wakal-is, tesɛa 26, 835 km², amkan alemmas n tɣiwant qqaren-as” Ssuq Lḥed ”, ad naf 9142 n imezdaɣ deg tɣiwant-a deg useggas n 2008, 341 n imezdaɣ i 1Km², tesɛa di leɛli 885m.3