Istanbul, Turkish Istanbul, in the past Constantinople, old Byzantium, biggest city and seaport of Turkey. It was the capital of both the Byzantine Empire and the Ottoman Empire.
The old walled city of Istanbul remains on a triangular promontory among Europe and Asia. Now and again as a scaffold, once in a while as a boundary, Istanbul for over 2,500 years has remained between clashing floods of religion, culture, and magnificent power. For the greater part of those years it was a standout amongst the most pined for urban communities on the planet.
The name Byzantium may get from that of Byzas, who, as per legend, was pioneer of the Greeks from the city of Megara who caught the landmass from peaceful Thracian clans and constructed the city around 657 BCE. In 196 CE, having leveled the town for contradicting him in a common war, the Roman ruler Septimius Severus revamped it, naming it Augusta Antonina to pay tribute to his child. In 330 CE, when Constantine the Great devoted the city as his capital, he called it New Rome. The coinage, all things considered, kept on being stepped Byzantium until he requested the substitution of Constantinopolis. In the thirteenth century Arabs utilized the handle Istinpolin, a “name” they heard Byzantines use—eis tēn polin—which, as a general rule, was a Greek expression that signified “in the city.” Through a progression of discourse stages over a range of hundreds of years, this name moved toward becoming Istanbul. Until the Turkish Post Office formally changed the name in 1930, be that as it may, the city kept on bearing the millenary name of Constantinople. Pop. (2007) 10,757,327; (2017 est.) urban agglom., 14,744,519.