PI DU DISTRICT, belonging to the city of Chengdu, Sichuan Province, is located in the northwestern part of the city center of Chengdu, with Pengzhou City and Xindu District in the northeast, Jinniu District in the southeast, Qingyang District in the south, Wenjiang District in the southwest and Dujiangyan City in the northwest, bordering. The statistical yearbook of the district contains both "sub-regional" and "sub-administrative" data. The "sub-region" version of the data is: seven streets and three towns under the jurisdiction of the seventh national census population of 1.39 million people, a land area of 395 square kilometers, 2022 GDP of 75.10 billion. "Sub-administrative" version of the data is: under the jurisdiction of nine streets, three towns, the seventh national census population of 1.672 million people, land area of 438 square kilometers, 2022 GDP of 139.92 billion. PI District for the central city of Chengdu is an important part of Chengdu's construction of the national center of the city focus on building "electronic information and dual-creation industry base, internationalized urban new area". PI District brings together electronic science and technology universities and other universities and colleges 19, national laboratories (research centers) 23, with the province's first trillion electronic information industry base, the national local cuisine named Sichuan cuisine industrial park, the first national ultra-high-definition video industry base, is one of the first batch of dual-creation demonstration base, the national urban-rural integrated development pilot area. Chengdu Irrigation Express Railway, Chengdu Metro Line 2, Chengdu Metro Line 6, tram a total of four rail transit directly to the city center, Hongguang Avenue, Chengdu Irrigation Highway (Yangxi Line), Xihua Avenue, Xiyuan Avenue, West District Avenue and other parallel fast-tracks vertically to reach the city center, the bypass of the entire area and the second bypass ring highway can be quickly integrated into the national high-speed road network. In the year 2022, PI District realized gross regional product of 75.10 billion yuan, calculated on the basis of comparable prices, an increase of 3.0% over the previous year.