Hyderabad is the capital of Telangana state in the south of India, a major high-tech center famous for its luxurious restaurants and shops. The main historical sights of the city are the Golconda fortress, which was the capital of the eponymous sultanate, where the Qutb Shahi dynasty ruled, and the center of the diamond trade, as well as the 16th century Charminar Mosque with huge arches in four walls and high minarets at all four corners. The old Laad bazaar is open to visitors near the mosque.