Seoul Subway is the easiest, quickest, and least expensive way of getting around Seoul. This method of transportation is great whether you are a local resident on your way to work or a tourist visiting from another country.
The extensive system is a network of 16 lines, 546 stations, with over 7 million daily riders which covers Seoul and nearby areas such as Incheon, Gyeonggi-do and parts of Chungcheongnam-do and Gangwon-do.
With such a large network, using the subway system as a tourist for your first time can seem complicated and confusing. In due time, you will realize the opposite. Riding the subway is simple, straight forward, and easy to use for even the first time user.
A map of the entire system can be viewed here.