Was the city of Constantinople named after the greek city Byzantium? Or was it just built on that former site with a new name?

2 answers

The city of New Rome was built upon the old site of Byzantium. When Constantine died, the city was renamed Constantinople. The name was changed to Istanbul in the 20th century.

http://www.ancient.eu.com/Byzantium/
Thank you MS. Sue. There were 4 answers with 1 being incorrect and the other 3 checked out correct but I wasn't 100% sure of this one