- Muan City is a city in South Korea located in the southwest region of the country. It is the capital of Muan County and is part of the Jeollanam-do province. Muan City is known for its beautiful natural landscapes, including beaches, mountains, and rivers. It also has historical and cultural attractions such as the Muan World Agricultural Expo and the Muan Okgye Bridge. The city is primarily an agricultural area, with a focus on rice and fisheries, but it is also developing into a transportation and logistics hub due to its close proximity to Muan International Airport.