上海, or Shanghai, is a major city located on the eastern coast of China. It is known for its vibrant economy, modern skyline, and rich cultural history. As one of the world's largest cities, it serves as a global financial hub and a key port for international trade. The city features a mix of traditional and contemporary architecture, with landmarks such as the Oriental Pearl Tower and the historic Bund waterfront. Shanghai is also famous for its diverse cuisine, shopping districts, and cultural attractions, making it a popular destination for tourists and business travelers alike.