The University of Freiburg, officially the Albert Ludwig University of Freiburg, is a public research university located in Freiburg im Breisgau, Baden-Württemberg, Germany. The university was founded in 1457 by the Habsburg dynasty as the second university in Austrian-Habsburg territory after the University of Vienna. Today, Freiburg is the fifth-oldest university in Germany, with a long tradition of teaching the humanities, social sciences and natural sciences and technology and enjoys a high academic reputation both nationally and internationally. The university is made up of 11 faculties and attracts students from across Germany as well as from over 120 other countries. Foreign students constitute about 18.2% of total student numbers.

Freiburg im Breisgau, usually called simply Freiburg, is an independent city in the state of Baden-Württemberg in south-western Germany. With a population of about 231,848, it is the fourth-largest city in that state after Stuttgart, Mannheim and Karlsruhe. Its built-up area has a population of about 355,000 (2021) while the greater Freiburg metropolitan area ("Einzugsgebiet") has about 660,000 (2018).