The Aristotle University of Thessaloniki (A.U.Th.; often called the Aristotelian University or University of Thessaloniki; Greek: Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης) is the sixth oldest, and among the most highly ranked, tertiary education institution within Greece. Named after the philosopher Aristotle, who was born in Stageira, about 55 km (34 miles) east of Thessaloniki, it is the largest university in Greece and its campus covers 230,000 square metres in the centre of Thessaloniki, with additional educational and administrative facilities elsewhere.