Heidelberg is a German university city located in the state of Baden-Württemberg. It is home to the oldest university in Germany, the Ruprecht-Karls-Universität Heidelberg, which was founded in 1386. Jena is a city in the state of Thuringia and is home to the Friedrich Schiller University, which was founded in 1558. Halle is a city in the state of Saxony-Anhalt and is home to the Martin Luther University of Halle-Wittenberg, which was founded in 1502.