Chengdu is situated in the middle of Sichuan Province, the West Sichuan Plain.Covering an area of 12390 sq km, it is 192 KM long from east to west and 166 KM wide from south to north. Up to the year 2000, the city zone of Chengdu is 208 sq km. Chengdu is adjacent to Deyang City in the northwest, Ziyang District in the southeast, Meishan District in the south, Ya'an District in southwest and Aba Tibetan and Qiang Autonomous Prefecture in the northwest. Chengdu belongs to inland zone. It is 1,600 km away from the East China Sea and 1,090 km from the South China Sea.