Pidu District (郫都区), formerly known as Pi County or Pixian, is a district of the City of Chengdu, the capital of Sichuan, China. It presently covers an area of 437.5 square kilometers (168.9 sq mi), with a total population of 756,047 during the 2010 census. It was formerly known as the source of the best tobacco in Sichuan and is now well known for its doubanjiang, a type of spicy fermented bean sauce. It was established from the former Pi County by an approval from the State Council on November 24, 2016.

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.