Aichach-Friedberg is a rural district in Swabia in southwest Bavaria, Germany. Neighbor districts are: Augsburg (district), Donau-Ries, Neuburg-Schrobenhausen, Pfaffenhofen (district), Dachau (district), Fürstenfeldbruck (district), Landsberg (district) and the district-free city Augsburg. Aichach is the capital of Aichach-Friedberg.