. "2013-01-08T22:53:00Z"^^ . "Istanbul is the largest city in Turkey, constituting the country's economic, cultural, and historical heart.With a population of 13.5 million, the city forms one of the largest urban agglomerations in Europe[d] and is among the largest cities in the world by population within city limits."@en . "2013-01-08T22:53:00Z"^^ .