Istanbul, a city that seamlessly blends the past and the present, stands as a mesmerizing gateway between Europe and Asia. Renowned for its rich history, vibrant culture, and stunning architecture, Istanbul offers an unforgettable experience for travelers. If you're planning a trip to this enchanting city, a 4-day Istanbul tour package is the perfect way to explore its myriad attractions. In this article, we'll delve into the highlights of such a tour, ensuring you make the most of…