These are the following: the old city of Zahedan in Posht Ab Zabol, (related to the Teimoorid period); the Kallati, Bakhshan, Rubahak, Mahtab, Khazaneh, Koohak and Meel Hard hillocks in Saravan (related to the first millennium BC.); Seyed Mir Omar hillock in the Jaleq district; Tasooki hills in Zabol and Siyahiyoon hillocks in Chabahar (related to the pre-Islamic period).