For students looking for study abroad programs in Greece, see the following link. The website provides an easily-navigated directory of programs for students in Greece. The programs are categorized as follows: American University programs; Major International Study Abroad Consortia; Independent Study Abroad; and Cultural, Site, and Environmental programs. Their many topics include History, Arts and Languages.
Probably the most helpful section – American Universities Abroad – provides links to institutions such as Harvard, Georgetown, and Duke.