The Aristotle University of Thessaloniki (abbr. AUTh; Greek: Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ), lit. 'Aristotelian University of Thessaloniki'), often called the University of Thessaloniki, is the fifth oldest tertiary education institution in Greece. Named after the philosopher Aristotle, who was born in Stageira, about 55 kilometres (34 mi) east of Thessaloniki, it is the largest university in Greece and its campus covers 230,000 square metres (2,500,000 sq ft) in the centre of Thessaloniki, with additional educational and administrative facilities elsewhere.
As of 2023, it has approximately 88,283 active students enrolled at the university (77,198 at the undergraduate level and 6,588 in postgraduate programmes of which 3,952 at doctoral level) and 2,366 faculty members. There are additionally 248 members of the Laboratory Teaching Staff and 213 members of the Special Technical Laboratory Staff. The administrative staff consists of 400 permanent employees and 528 subcontractor employees that are contracted by the university.
