The Byzantine Empire was located in ancient Greece and Turkey.
Constantinople was called the new rome because it was the capital. it was the main spot for trading.
Constantine and Justinian where the best rulers of the Byzantine Empire. They where best rulers for what they did, Constantine he also stopped the persecution of the Christians in his territory. Justinian crated a code called Justinian code.
the bosporus is a narrow strait body of water so people can travel and trade
Following a number of civil disputes in the Byzantine Empire, the Ottomans subjugated the Byzantines as vassals in the late 14th century and attempts to relieve this vassal status culminated in the Fall of Constantinople in 1453.