Constantinople was the administrative capital of the Roman Empire from 330 AD. It was the capital of the East Roman Empire, and then of the medieval Roman Empire, now usually called the Byzantine...
It was the capital of Eastern Roman Empire, which was later called by the historians Byzantine Empire to differentiate it from the Roman Empire. Constantinople was named by the Roman emperor...
From a geographical point of view, Constantinople was closer to the border areas where the Roman Empire was having problems.From a political point of view, Rome had long been a difficult place to...