Constantinople

What does Hagia Sophia mean, where is it located and why was it built?

Who was Justinian's wife and what was her role in Constantinople?

what initially caused the Great Schism?

autocrat

What made Constantinople a vital center of the Byzantine empire?

Justinian's code

Who formed the backbone of the empire?

What led to the decline and eventual destruction of the Byzantine Empire?

What did the Ottoman Empire rename Constantinople?