The Grand Bazaar is one of the largest and oldest covered markets in the world, with 61 covered streets and over 4,000 shops. It is located in the heart of Istanbul's Old City and attracts between 250,000 and 400,000 visitors daily. The bazaar offers a wide range of goods, including jewelry, carpets, textiles, spices, and souvenirs. Visitors should be prepared to haggle over prices and be aware of pickpockets.