Krumbach was a district in Swabia, Bavaria, Germany, before the regional reorganization in 1972. Krumbach was the capital of this district. The licence plate code was KRU. The district had 49 municipalities. The largest of them were the towns Krumbach, Bavaria and Thannhausen and the municipalities Ziemetshausen, Neuburg an der Kammel and Ursberg. It was bounded by (from the north and clockwise) the districts of Günzburg, Augsburg, Schwabmünchen, Mindelheim, Illertissen and Neu-Ulm.