Berg bei Rohrbach was a municipality in the Rohrbach District of Upper Austria. On May 1, 2015, Berg bei Rohrbach was merged with neighboring communities of Rohrbach in Oberösterreich to the municipality Rohrbach-Berg.
Berg bei Rohrbach was lying in the upper Mühlviertel. About 31 percent of the municipality is forest, and 62 percent is farmland.