Ziyang prefecture-level city in eastern Sichuan province, China. It is bordered by the provincial capital of Chengdu to the northwest, Deyang to the north, Suining to the northeast, Chongqing municipality to the east, and Neijiang to the west. Its development is going to be very important because of the proximity of Chengdu new Airport and economic zone. As of the 2020 Chinese census, Ziyang's total population was 2,308,631 inhabitants whom 867,119 lived in the built-up area made of Yanjiang District.

Chengdu is the capital city of the Chinese province of Sichuan. With a population of 20,937,757 at the 2020 Census, it is the fourth most populous city in China, and it is the only city with a population of over 20 million apart from direct-administered municipalities. It is traditionally the hub of Western China.