| Ji'an | |
| Settlement Type: | County-level city |
| Pushpin Map: | Jilin |
| Pushpin Map Caption: | Location of Ji'an city center in Jilin |
| Coordinates: | 41.1253°N 126.194°W |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Jilin |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Tonghua |
| Established Date: | 1988 |
| Established Title: | County-level city established |
| Area Total Km2: | 3341.1 |
| Area Urban Km2: | 44.89 |
| Area Footnotes: | [1] |
| Population Total: | 214000 |
| Population As Of: | 2017 |
| Population Urban: | 79000 |
| Population Density Km2: | auto |
| Elevation M: | 180 |
| Timezone: | China Standard |
| Utc Offset: | +8 |
| Postal Code Type: | Postal code |
| Postal Code: | 134200 |
Ji'an (; formerly) is a county-level city in the southwestern part of Jilin province, People's Republic of China. It is administered by the prefecture-level city of Tonghua and is the southernmost county-level division in the province. Ji'an has an area of 34080NaN0 and a population of approximately 230,000. The city was given its current status in 1988. Ji'an is separated from Manpo, Chagang Province, North Korea by the Yalu River; it has an international border running 203.5km (126.4miles).
See also: Gojoseon and Goguryeo. Archaeological excavations in the Ji'an area have unearthed several Yemaek sites along the Amnok River and its tributary the Hunjiang, which belong to the regional Neolithic and Bronze ages.[2]
After the fall of Wiman Joseon to the Han dynasty in 108 BCE, Ji'an was part of Goguryeo County under the administration of Xuantu Commandery.[2] In 3 CE, the second ruler of Goguryeo, King Yuri, moved the state's capital to Gungnae (modern Ji'an) and established the mountain fortress Hwando nearby to defend it.[2] Hwando was sacked by Wei State in 244 CE during the Goguryeo–Wei War. In 342 CE, Hwando was destroyed and thousands of people captured by the Murong Xianbei, after which Goguryeo focussed on expanding south and east. In 427 CE, the eleventh ruler of Goguryeo, King Jangsu, moved the capital to Pyongyang, which saw Gungnae relegated to subsidiary capital status.[2]
The Capital Cities and Tombs of the Ancient Koguryo Kingdom, located in Ji'an and Huanren Manchu Autonomous County, Liaoning, have been listed as part of a UNESCO World Heritage Site. Ji'an is also dubbed as a "Little Jiangnan" of Jilin due to its scenery.
Ji'an has a monsoon-influenced humid continental climate (Köppen Dwa), with long, very cold winters, and very warm, humid summers. Monthly average temperatures range from NaN°C in January to 23.3°C in July, and the annual mean is 7.5°C. Though the annual total, at 917.7mm, is generous, precipitation is quite low during the winter and upwards of 60% of annual rainfall occurs from June through August. The frost-free period lasts around 150 days.
Subdistricts:[3]
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Townships:[3]