The Friedrich Schiller University of Jena ( German : Friedrich-Schiller-Universit Ã t Jena ; abbreviation : FSU ) is a university in Jena , Germany . Friedrich Schiller University of Jena ( FSU ) ( German Friedrich-Schiller-Universit Ã t Jena , colloquially Uni Jena ) , is a public research university located in Jena , Thuringia , Germany .