Dunhua (; Korean: ) is a county-level city of the Yanbian Korean Autonomous Prefecture in southeastern Jilin province, China. It has more than 480,000 inhabitants (as of 2002) and was the capital of Balhae between 742 and 756, known at the time as "Junggyeong". During the Qing dynasty it was called Áodōng () in Chinese and Odoli in Manchu.

Geography and climate Dunhua is situated amongst the Changbai Mountains, its administrative area spanning 42°42′−44°30′ N latitude and 127°28′−129°13′ E longitude, reaching a maximal north–south extent of and east–west width of . Its total area of makes it, by area, the largest county-level city of the province.

Dunhua has a four-season, monsoon-influenced, humid continental climate (Köppen Dwb), with long, very cold winters, and short, but warm, humid summers. Spring and autumn constitute very short transitions with some, but usually not heavy, rainfall. The monthly 24-hour average temperature ranges from in January to in July, while the annual mean is and a total precipitation of , more than 60% of which falls from June through August.

Liuding Mountain is located 5 km south of Dunhua. The mountain is one of the AAAAA Tourist Attractions of China, and contains tombs from the Balhae kingdom, a large monastery and a  statue of the Buddha.

Administrative divisions Dunhua has four subdistricts, 11 towns, and five townships.

Name Simplified Chinese Hanyu Pinyin Korean McCune–Reischauer Administrative division codeSubdistricts Bohai Subdistrict 222403001 Shengli Subdistrict 222403002 Minzhu Subdistrict 222403003 Danjiang Subdistrict 222403004Towns Dashitou 222403100 Huangnihe 222403101 Guandi 222403102 Shaheyan 222403103 Qiuligou 222403104 Aegmog 222403105 Xianru 222403106 Dapuchaihe 222403107 Yanminghu 222403108 Jiangyuan 222403109 Jiangnan 222403110Townships Daqiao Township 222403200 Heishi Township 222403201 Qinggouzi Township 222403202 Hanzhang Township 222403203 Hongshi Township 222403204

Sister cities Dongjak-gu, Seoul of South Korea (1968)

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