Constantinople was the capital city of the Roman/Byzantine Empire, the Latin Empire and the Ottoman Empire. Officially renamed as Istanbul in , the city is today the largest city and financial centre of the Republic of Turkey. Constantinople was the capital city of the Roman/Byzantine Empire (– and –), the Latin Empire (–) and the Ottoman Empire (–). The fall of Constantinople marked the end of the Byzantine Empire, and effectively the end of the Roman Empire, a state which dated back to 27 BC and lasted. Constantinople is an ancient city in modern-day Turkey that's now known as Istanbul. First settled in the seventh century B.C. Fall of Constantinople (), conquest of Constantinople by Sultan Mehmed II of the Ottoman Empire. The Byzantine Empire came to an end when the. "Constantinople was built over six years, and consecrated on 11 May Constantine divided the expanded city, like Rome, into 14 regions, and ornamented it. Istanbul has had many names, including Byzantium, New Rome and Constantinople. It didn't officially become Istanbul until Constantinople was a natural object of desire, for it appeared to have been designed by geography and history to be capital of a great empire. Situated at the. From Constantinople to the Frontier: The City and the Cities provides twenty-five articles addressing the concept of centres and peripheries in the late. –82), hailed as the New Constantine, devoted much of his efforts to rebuilding the capital, restoring damaged churches, monasteries, and public buildings.