Seosan

Seosan (Hangul: 서산시) is a city in South Chungcheong Province, South Korea. It is situated on the western coast of the Korean Peninsula, facing the Yellow Sea, and borders Taean County to the west and Dangjin to the east. The city covers a coastal plain with nearby hills and includes both urbanized neighborhoods and rural districts.

Historically, the area has long been part of maritime and agricultural life in Chungcheong. In the modern era, Seosan was reorganized as a municipality and expanded through the merging of surrounding districts, establishing its current city status in the late 20th century. The local economy is diversified, with manufacturing, logistics, agriculture, and fishing playing major roles. An adjacent port area and industrial clusters contribute to regional trade and employment.

Seosan is served by regional road networks and bus services, with rail connections accessible in nearby cities. The city acts as a logistical hub for western Chungcheong and provides access to coastal attractions further along the Yellow Sea coast. In addition to industry, Seosan supports education and public services through several high schools, vocational institutes, and cultural facilities.

Culturally, Seosan preserves historical sites and Buddhist temples, along with markets and seafood cuisine reflecting its coastal heritage. Tourism focuses on coastal scenery, temples, and regional cuisine, complemented by parks and local festivals. The city maintains relationships with nearby municipalities and participates in provincial programs to promote sustainable development and regional cooperation.