International audienceBelt sets belonging to the Early Byzantine tradition of the second half of 6th — first half of7th centuries are found in the Middle Dnieper region in hoards of Martynovka type and belong to the Slavsbeing bearers of the Penkovka and Kolochin culture. The Penkovka culture corresponds to the Antes knownfrom the written sources, while the ethnonym of Kolochin culture bearers is unknown. Distribution of suchbelts is indicative of military and political ties of the Antes and the Eastern Roman Empire, as well as offormation of ‘princely’ or ‘warrior’ culture among the Dnieper Slav