WORLD HISTORY

Detailed explanation-1: -The Byzantine Empire was also known as the Eastern Roman Empire, or Byzantium. It was the continuation of the Roman Empire in its eastern provinces during Late Antiquity and the Middle Ages, and its capital city was Constantinople.

Detailed explanation-2: -Constantine moved his capital to Byzantium (later named Constantinople ) in 330 AD because the eastern part of the Roman Empire was becoming more important and he wanted a capital that was closer to the center. Also, the area allowed easy access to vast territories via the Marmara sea and the Danube river.