Istanbul Istanbul Istanbul (, or or ; ), historically known as Byzantium and before 1924 as Constantinople, is the most populous city in Turkey and the country's economic, cultural, and historic center. Istanbul is a transcontinental city in Eurasia, straddling the Bosporus strait (which separates Europe and Asia) between the Sea of Marmara and the Black Sea. Its commercial and historical center lies on the European side and about a third of its population lives on the Asian side. The city is the administrative center of the Istanbul Metropolitan Municipality (coterminous with Istanbul Province), both hosting a population of around 15
Marine life of the Strait of Messina the Strait of Messina is the presence of a varied and numerous bathypelagic fauna that, transported to the surface by the upwelling current from the South can be easily captured still alive in the points of greater turbulence, or found stranded along the coasts after adverse weather conditions. Examples are "Chauliodus sloani", "Argyropelecus hemigymnus" and "Myctophum punctatum". The Strait of Messina is an important migratory route of the Mediterranean Sea. The best known and important, from an economic point of view, are the great pelagic fish - that is the Tuna ("Thunnus thynnus"), the Albacore ("Thunnus alalunga"), the Atlantic bonito