Chengdu is the capital city of Sichuan Province, located in the southwestern part of China. It is situated in the fertile Sichuan Basin, often referred to as the Land of Abundance. As a major sub-provincial city, it serves as the primary economic, cultural, and transportation hub for Western China. Geographically, it lies in the upper Yangtze River valley and is bordered by the Tibetan Plateau to the west and the Longquan Mountains to the east. The city's strategic location has made it a vital gateway to Tibet and a central point for regional development and international trade.