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