Answer:
Byzantine Empire
Explanation:
Rome was unable to maintain all the territories that had conquered.
The insecurity of the roads, Barbaric invasions, and moral decline among other problems to divide the Empire between 2 parts ,
Constantine made Constantinople, the new settlement of the Roman Empire, he became the leader of the Christian Church at the time.
The Byzantine Empire became the Eastern part of the former Roman Empire,
As seen in the image below, the capital lied in actual Turkey, and The Byzantine Empire was to remain for yet another 1000 years after the fall of the Roman Empire.
