The Aristotle University of Thessaloniki is the largest university in Greece. The main campus is located in the centre of the city of Thessaloniki, and covers an area of about 33.4 hectares. It comprises 10 faculties which consist of 40 schools and 1 single-School Faculty. Some educational and administrative facilities are located off campus for practical and operational reasons. A number of these facilities are located outside the city of Thessaloniki or even in other cities. About 73.930 students study at the Aristotle University (65.026 in undergraduate programmes and 8.472 in postgraduate programmes, of which 3952 at Doctoral level). There are 2.024 faculty members. There are also 11 teaching assistants, 58 research fellows, 248 members of the Special Laboratory Teaching Personnel (S.L.T.P.), 69 of whom belong to category Ι and 179 to category ΙΙ, as well as 15 foreign language teachers and 4 foreign instructors. Faculty members are also assisted by 213 members of the Special Technical Laboratory Personnel (S.T.L.P.). The administration office consists of 400 permanent employees and 528 employees under a private law contract of indefinite duration. Moreover, 596 people employed by third parties provide services at the university.