Detail
Type Wlr. - Obergrub is a Weiler (Farm or Small Village).
BA Vilsbiburg - The Bezirksamt for Obergrub is Vilsbiburg. The Bezirksamt is the District Office.
See Bergham - A See notation means the entry is dependent on another entry. In this case, Obergrub is dependent on Bergham, which should be consulted for additional information.