Aristotle University in Thessaloniki (commonly known as Aristotle University) is the largest university in Greece. It is named after the philosopher Aristotle, and its campus covers an area of 230,000 square meters, close to the city center of Thessaloniki. Some educational and administrative facilities are located on the campus for practical and operational reasons. There are more than 95,000 undergraduate and graduate students at Aristotle University, 86,000 in bachelor's degree programs and 9,000 in graduate programs. In addition, the number of teaching and research staff is 2,248 (716 professors, 506 associate professors, 576 assistant professors, lecturers and 450), the number of science educators is 84 and the number of professional laboratory teaching staff is 275. The main language of instruction is Modern Greek, but a considerable number of courses are conducted for international students in English, French and German.