It is bounded by (from the south and clockwise) the districts of Regen, Straubing-Bogen, Regensburg and Schwandorf and by the Czech Plzeň Region.

About 100 years later, the royal castle of Cham was built and became a summer residence for the Holy Roman Emperors.

Many projects have been initiated to give this area an impetus to grow, yet in spite of this, it is still one of the least-populated regions in Germany.

The upper part of the arms is occupied by the blue and white checkered pattern of Bavaria.

The church of Chammünster (today belonging to the town of Cham), which was built in 748 within a famous monastery, is displayed below.