Osan — City Facts & Population

Osan is a city located in South Korea, in the Gyeonggi-do region. With a recorded population of 238,788, it is home to a diverse community of residents.

Geographically, Osan lies at coordinates 37.15°N, 127.07°E, placing it in the Northern Eastern Hemisphere. The city operates on the Asia/Seoul timezone, which governs daily life and business hours for its inhabitants. Its temperate latitude contributes to a relatively moderate climate that supports year-round activity.

Osan contributes to the broader fabric of South Korea through its economic activities, cultural institutions, and social life. Urban infrastructure including transport links, schools, hospitals, and commercial districts serves the needs of its 238,788-strong population. The city's position within the Gyeonggi-do region of South Korea connects it to a wider network of towns and urban centres that together shape regional development and prosperity.

The primary postal code associated with Osan is 18135, used for mail delivery and administrative purposes across the city centre. Visitors and new residents alike will find that Osan offers the services and amenities expected of a city in South Korea.

As one of the notable settlements in South Korea, Osan represents a vital node in the country's network of cities and towns. Exploring its streets, communities, and surrounding areas offers a window into the life and culture of the Gyeonggi-do region.