BYZANTION Known as Byzantion or for Greeks Constantinople, Istanbul is the only city in the world built on two continents.( Asia/Europe ) The Byzantine Empire was the same as the Roman Empire from the 4th century to the 6th century AD and after this period, the Byzantines called themselves Romaioi or Roman. The city thus became the capital city of the empire for more than 1000 years.

The religion of the empire changed from the belief of polytheism(paganism )to Christianity and language change from Latin to Greek.