The Technische Universität Ilmenau is a German public research university located in Ilmenau, Thuringia, central Germany. Founded in 1894, it has five academic departments (faculties) with about 4,900 students. Teaching and research are focused on the fields of technology, mathematics and natural sciences, business and media.

Ilmenau is a town in Thuringia, central Germany. It is the largest town within the Ilm district with a population of 38,600, while the district capital is Arnstadt. Ilmenau is located approximately 33 km south of Erfurt and 135 km north of Nuremberg within the Ilm valley at the northern edge of the Thuringian Forest at an elevation of 500 metres.