Erasmus University Rotterdam has campuses on four locations, three of which are in Rotterdam and one in The Hague. Campus Woudestein is the central hub of the university and is only 15 to 20 minutes away from the city centre. Students of Erasmus University College attend their classes in the city centre. Medicine students follow their lectures at Erasmus MC. PhD candidates of the International Institute for Social Studies have their home base in the Hague.