Chaoyang County, under the jurisdiction of Chaoyang City, Liaoning Province, is located in the west of Liaoning Province, adjacent to Inner Mongolia Autonomous Region in the west, adjacent to Shuangta District, Longcheng District and Beipiao City in Chaoyang City in the northeast, adjacent to Linghai City, Nanpiao District and Lianshan District in Jinzhou City in the east and southeast, adjacent to Jianchang County in Huludao City in the south, Jianping County and Kazuo County in the west, and Aohan Banner in Inner Mongolia Autonomous Region in the north, with a total land area of 3758 square kilometers. By 2021, Chaoyang County has a total registered residence population of 539000. There are 18 ethnic minorities with a population of 33,506. As of October 2021, Chaoyang County has jurisdiction over 1 street, 14 towns and 12 townships. The county government is located at No. 1, Yanjing Street, Liucheng Street.

Chaoyang is named after the allusion of "Fengming Chaoyang" in The Book of Songs · Daya · Volume A. In the Qin Dynasty, Liucheng County was established. It was named Chaoyang County in the 43rd year of Qianlong's reign. From the 29th year of the Guangxu reign of the Qing Dynasty to the 29th year of the Republic of China (1940), Fuxin County and Suidong County were successively separated. In 1940, it was set aside in the north of Chaoyang County, and another Tumet Middle Banner (now Beipiao City) was set up. In 1984, Chaoyang District was abolished and the provincial jurisdiction of Chaoyang City was restored. Chaoyang County was included in Chaoyang City, and Shuangta District and Longcheng District were separated from Chaoyang County as municipal districts.

In 2021, the GDP of Chaoyang County will be 10.82 billion yuan, a year-on-year increase of 3.8% at comparable prices. Among them, the added value of the primary industry was 3.85 billion yuan, up 7.1% year on year; The added value of the secondary industry was 2.29 billion yuan, down 4.1% year on year; The added value of the tertiary industry was 4.67 billion yuan, with a year-on-year growth of 5.1%. The proportion of the added value of the three industries was 35.6:21.2:43.2.