The Byzantine Empire:
Byzantine Empire was located in the Eastern half of the of the old Roman Empire. Byzantine had an impact on Russia the religion eastern orthodox spread to Russia (known as Russian Orthodox)
Many Byzantine ideas were introduced by trade into Russia. The Byzantine empire lasted so long because they had a organized government, Did not get to big, and they minded their own business. They had many contributions to our society like, Justinian's code.
Byzantines capital was Constantinople they spoke in Greek.