Tihert , d agezdu yeṭṭfen adeg wis 14 gar yigezda n tmurt n Lezzayer. Isema n Tihert d isem i as-fkan imaziɣen anamek-is " Tasedda ". Tettwassen daɣen s waṭas n yismawen nniḍen am ; Taqdimt, Taɣzut, Tangartuya,... Tesɛa azal n 20673 n yikilumitren. Ma d imezdaɣ deg-s llan ugar n 846823.