Hallstadt is a town in the Upper Franconian district of Bamberg on the left bank of the Main, 4 km north of Bamberg. Hallstadt borders in the so…Hallstadt is a town in the Upper Franconian district of Bamberg on the left bank of the Main, 4 km north of Bamberg. Hallstadt borders in the south on the city of Bamberg and in the west on the Main. There are two constituent communities named Hallstadt and Dörfleins.