Constantinople
Constantinople became the capital of the Roman Empire during the reign of Constantine the Great in 330. Following the collapse of the Western Roman Empire in the late 5th century, Constantinople remained the capital of the Eastern Roman Empire,... Wikipedia
Founded: 330 AD
Age: About 1,694 years
Location: Fatih and Beyoğlu, Istanbul, Turkey
Founder: Roman emperor Constantine I
Region: Marmara Region
Periods: Late antiquity to Late Middle Ages