Numerous cultures have left their imprint on Istanbul over the ages. Today, you can explore its roads (neighborhoods) to get a firsthand look at those influences. Travelers often describe Istanbul as multiple cities within one, with its many attractions such as the bustling cafe society of Kadıköy, the elegant Beyoğlu from the 19th century, the holy sites of Sultanahmet, the high fashion of Nişantaşı, and the football-loving streets of Beşiktaş.