Seoul, the capital of the Republic of Korea, is a large city where approximately 1/5 of the total population lives. The capital represents the Republic of Korea, as Seoul is the hub of industry and finance, in the top ranks among the most influential cities in the world. Seoul is also the mecca of Hallyu (Korea wave) culture that has been drawing attention from the whole world in recent years. As is shown in these examples, Seoul is developing into a global city that leads the world in a wide range of fields including economics, culture, and IT.