Istanbul

Istanbul is the only city in the world built across two continents, straddling the Bosphorus strait between Europe and Asia. With a population of over 15.7 million (TÜİK, 2025), it is Turkiye's largest city and its historic, cultural, and commercial capital, having served as the seat of the Roman, Byzantine, and Ottoman Empires. A detailed tourism, investment, and living guide for Istanbul's districts is being progressively published below.