- The invasions of the Slavs and Pannonian Avars in the sixth and seventh centuries became more frequent, and they stayed in the Byzantine territory for longer
- The oldest discovered traces of Serbs in this area come from the locality of Kulina below Kablar Mountain near Čačak.
- The presented findings of jewellery from the necropolis at the thermal baths in Čačak and Mrčajevci and hoards from Zablaće and Koštunić testify to how these populations decorated and how their economies worked
