Panjin (simplified Chinese: 盘锦; traditional Chinese: 盤錦; pinyin: Pánjǐn) is a prefecture-level city and a major oil production centre of Liaoning province, People's Republic of China, and is situated on the northern coast of Liaodong Bay of the Bohai Gulf. It borders Anshan to the northeast and east, Yingkou across the Liao River, as well as Jinzhou to the west and northwest. The city has an administrative area of 4,071 square kilometres (1,572 sq mi), is home to 1.39 million people all in the built-up area made of 2 urban districts plus Dawa and Panshan Counties being urbanized.
Panjin is located between 40° 40'−41°27' N and 121° 31'−122° 28' E. It has a monsoon-influenced humid continental climate (Köppen Dwa). It has an annual mean temperature of 9.2 °C (48.6 °F) and receives over 2700 hours of sunshine a year. The Shuangtaizi River, which diverts from the Liao River upstream from the city, runs through the city and flows into the Liaodong Bay. The Liao River serves as the border between Panjin and the city of Yingkou. The two other prefecture-level cities that borders Panjin are Jinzhou and Anshan.