Chengdu is located in the southwestern part of China, serving as the capital of Sichuan Province. Geographically, it is situated in the central portion of the fertile Sichuan Basin, often referred to as the Red Basin, specifically on the Chengdu Plain. On a map, it can be found between coordinates 30°05'N to 31°26'N latitude and 102°54'E to 104°53'E longitude. It occupies a strategic position in the upper Yangtze River valley and is bordered by the Longmen Mountains to the northwest and the Qionglai Mountains to the west, which mark the transition to the Tibetan Plateau. The city is flanked by Deyang to the northeast, Ziyang to the southeast, Meishan to the south, and Ya'an to the southwest, while the Aba Tibetan and Qiang Autonomous Prefecture lies to its northwest. Its layout is characterized by a series of concentric ring roads—the First, Second, and Third Rings—that radiate out from the city center at Tianfu Square.