8.354 billion yuan. According to the Statistical Information Express, in 2022, the regional GDP of Changning County was 8.354 billion yuan, up by 65.438+0.2%, the added value of primary industry was 6.5438+0.32 billion yuan, up by 66.5438+0%, and the added value of service industry was 3.746 billion yuan, up by 3.2%. Changning county is located in the southern margin of Sichuan basin, with high terrain in the south and low terrain in the north, low mountains in the south and hills in the north-central part. The main river is Changning River.