According to the Greek historian Herodotus , of the 5th century BC , the Cimmerians inhabited the region north of the Caucasus and the Black Sea during the 8th and 7th centuries BC , in what is now Ukraine and Russia .
According to the Greek historian Herodotus , the Cimmerians lived in the north of the Caucasus and the Black Sea during the 8th and 7th centuries BC . They lived in what is now Ukraine and Russia .