The Archdiocese of Freiburg im Breisgau is a Latin Church diocese of the Catholic Church in Baden-Württemberg comprising the former states of Baden and Hohenzollern. The Archdiocese of Freiburg is led by an archbishop, who also serves as the metropolitan bishop of the Upper-Rhine ecclesiastical province for the suffragan dioceses of Mainz and Rottenburg-Stuttgart. Its seat is Freiburg Minster in Freiburg im Breisgau.

Ettlingen is a town in Baden-Württemberg, Germany, about 8 kilometres (5 mi) south of the city of Karlsruhe and approximately 15 kilometres (9 mi) from the border with Lauterbourg, in France's Bas-Rhin department. Ettlingen is the second largest town in the district of Karlsruhe, after Bruchsal.