Mehrnbach

Parts of the municipality are Abstätten, Aich, Asenham, Atzing, Aubach, Aubachberg, Baching, Bubesting, Dopplhub, Fritzging, Gigling, Käfermühl, Langdorf, Mehrnbach, Probenzing, Renetsham, Riegerting, Sieber, Stötten, Steinbach, Thaling, and Zimetsberg.

The official description of the coat of arms (translation): Split; to the right in black a golden church tower, which comes out of the shield bottom, with two square basements, one octagonal upper floor with abutments, and an octagonal pitched roof, crowned with bowl and cross, the floors separated by cornices, in the lowest floor two rectangular apertures, in the upper floor one lancet arched window; to the left in silver a blue wavy pile.

From the foundation of the Bavarian dukedom the city belonged to Bavaria until 1780.

During the French Revolutionary Wars it became Bavarian again, in 1814 it became part of Upper Austria to whom it has belonged up to the present day.

After the Anschluß to the German Reich on March 13, 1938 the city was part of the "Gau Oberdonau".