大都, or "Dadu," was the capital of the Yuan Dynasty in China, established in the 13th century. It is located in present-day Beijing and served as a political and cultural center during the Mongol Empire. The city was known for its grand architecture and urban planning, which influenced later Chinese cities. The name "大都" translates to "Great Capital," reflecting its significance. Dadu was a melting pot of cultures, where Mongolian, Chinese, and other ethnic groups interacted. The city played a crucial role in trade and communication along the Silk Road, contributing to its prosperity and historical importance.