Asan

This article is about a city in South Chungcheong province. For the administrative district in Ulju County, Ulsan, see Onyang (Ulsan).

Not to be confused with Asian (disambiguation) or Aslan.

For other uses, see Asan (disambiguation).

Asan
Municipal City
Panoramic view of the Blue Crystal Village in Asan
Flag
Location in South Korea
Coordinates: 36°47′N 126°59′E
Country	South Korea
Region	Hoseo
Administrative divisions	2 eup, 9 myeon, 6 dong
Government
• Mayor	Se-hyun Oh (오세현)
Area
• Municipal City	542.25 km2 (209.36 sq mi)
• Urban	42.29 km2 (16.33 sq mi)
Population  (September 2024)
• Municipal City	353,603
• Density	529.41/km2 (1,371.2/sq mi)
• Dialect	Chungcheong
Time zone	UTC+9 (Korea Standard Time)
Website	asan.go.kr
Korean name
Hangul	아산시
Hanja	牙山市
RR	Asan-si
MR	Asan-si

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Asan (Korean: 아산; Korean pronunciation: [a.san]) is a city in South Chungcheong Province, South Korea. It borders the Seoul Capital Area to the north. Asan has a population of approximately 400,000.

Asan is known for its many hot springs and is a city of spas.

Asan has grown into the neighboring village, Onyang-dong, which is also known for its hot springs.