- Istanbul, Stambul, Stamboul, Constantinople - the largest city and former capital of Turkey; rebuilt on the site of ancient Byzantium by Constantine I in the fourth century; renamed Constantinople by Constantine who made it the capital of the Byzantine Empire; now the seat of the Eastern Orthodox Church
--1 is a kind of city, metropolis, urban center
--1 is a part of Turkey, Republic of Turkey
--1 has parts: Bosporus Bridge; Chalcedon, Kadikoy