Map of Yesan, South Korea

Yesan is a city in Chungcheongnam-do, South Korea, with a population of about 39,409. It lies at 36.6776°N, 126.8427°E. Yesan is about 100 km (62 mi) south of Seoul, the capital. The nearest city on our map is Hongseong, 18 km to the southwest.

Yesan at a glance

Where is Yesan?

• The 9th largest city in Chungcheongnam-do on this site.
• Located in the Northern and Eastern hemispheres.
• Daylight ranges from about 9 h 39 min on the shortest day to 14 h 40 min on the longest day (around 21 December and 21 June).

Cities near Yesan

• Hongseong — 18 km southwest
• Asan — 19 km northeast
• Cheonan — 31 km northeast
• Gongju — 35 km southeast
• Seosan — 37 km west
• Sejong — 41 km east
• Pyeongtaek — 42 km northeast
• Boryeong — 43 km southwest
• Buyeo — 45 km south
• Anseong — 53 km northeast

Largest cities in Chungcheongnam-do

• Cheonan — 658,831
• Asan — 97,749
• Boryeong — 94,191
• Hongseong — 89,174
• Seosan — 74,208
• Gongju — 72,435
• Buyeo — 59,823
• Nonsan — 43,845

Largest cities in South Korea

• Seoul — 10,349,312
• Busan — 3,285,147
• Incheon — 3,015,482
• Daegu — 2,365,523
• Daejeon — 1,441,203
• Gwangju — 1,401,235
• Suwon — 1,234,582
• Ulsan — 1,098,421
• Goyang-si — 1,061,752
• Changwon — 1,025,702

Map of South Korea and all its cities →

Sources: place names, coordinates, populations and time zones from GeoNames (CC BY 4.0, data retrieved October 2026). Population figures are the latest values recorded in GeoNames; depending on the country they refer to the city proper, a municipality or a wider urban area, so they can differ from census or metro-area figures. Map © OpenStreetMap contributors.