Liyang, a county-level city under the jurisdiction of Jiangsu Province and managed by Changzhou City, is located in the south of Jiangsu Province, the southwest of Changzhou City, and at the junction of Jiangsu and Anhui provinces in the southwest of the Yangtze River Delta. Its geographical coordinates lie between 31 ° 09 '- 31 ° 41' north latitude and 119 ° 08 '- 119 ° 36' east longitude. It borders Yixing in the east, Gaochun and Lishui in the west, Guangde and Langxi in Anhui Province in the south, Jurong and Jintan in the north. It is 59.06 kilometers long from north to south and 45.14 kilometers wide from east to west, The total land area is 1535.87 square kilometers. There are many types of landforms in Liyang, such as low mountains, hills, plain and polder areas. The climate of Liyang is subtropical monsoon climate in the northern hemisphere, mild and humid, with four distinct seasons, abundant rainfall and sufficient sunshine. By the end of 2020, there are 268600 registered residence, 788500 registered residence and 785500 permanent residents in Liyang City.

In the third year of Wude (620), Emperor Gaozu of the Tang Dynasty, Yongshi County was abolished and the eastern part of Lishui was divided into Liyang County. Since then, Liyang has been continuously used as an administrative region name. After the implementation of the system of city governing county in March 1983, Liyang County was under the jurisdiction of Changzhou City. In August 1990, with the approval of the State Council, Liyang County was abolished and a county-level Liyang City was established. As of October 2021, Liyang has jurisdiction over 3 streets and 9 towns, and the municipal people's government is located at No. 18, South Ring Road, Licheng Street.

In 2021, the city's gross regional product (GDP) will reach 126.130 billion yuan, an increase of 10.1% at comparable prices. In terms of industries, the added value of the primary industry was 5.68 billion yuan, up 2.7% year on year; The added value of the secondary industry was 64.881 billion yuan, up 11.9% year on year; The added value of the tertiary industry was 55.569 billion yuan, up 8.8% year on year. The ratio of added value of the three industries is 4.5:51.4:44.1.