Hanyang University has two campuses. One in the center of Seoul and one in the city of Ansan. You can find more information about each campus here.
Hanyang University - Student Exchange Program
Hanyang University seeks for international talents who would like to spend a semester or a year in Hanyang University to excel in their own field even further. This is not for exchange students.
If you are planning to come to Hanyang University as an exchange or visiting student, you can find the application procedure here.