Map of Koch'ang, South Korea

Koch'ang is a city in Jeollabuk-do, South Korea, with a population of about 72,996. It lies at 35.4333°N, 126.7000°E. Koch'ang is about 238 km (148 mi) south of Seoul, the capital. The nearest city on our map is Jangseong, 17 km to the southeast.

Koch'ang at a glance

Where is Koch'ang?

• The 7th largest city in Jeollabuk-do on this site.
• Located in the Northern and Eastern hemispheres.
• Daylight ranges from about 9 h 46 min on the shortest day to 14 h 33 min on the longest day (around 21 December and 21 June).

Cities near Koch'ang

• Jangseong — 17 km southeast
• Yeonggwang — 24 km southwest
• Jeongeup — 27 km northeast
• Damyang — 29 km southeast
• Masan — 36 km south
• Gwangju — 37 km southeast
• Kimje — 44 km northeast
• Naju — 45 km south
• Hwasun — 49 km southeast
• Muan — 53 km south

Largest cities in Jeollabuk-do

• Jeonju — 638,421
• Iksan — 307,000
• Gunsan — 264,656
• Jeongeup — 139,876
• Wanju — 84,009
• Nangen — 81,257
• Kimje — 44,894

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.