Altenbrenda_Castle
Altenbrenda Castle was is a lowland castle, now reduced to a burgstall, located in the Großer Garten, 1000 metres northeast of the present village of Unterweißenbrunn in the borough of Bischofsheim an der Rhön in the Lower Franconian county of Rhön-Grabfeld in Bavaria.
The burgstall is situated near the sewage works for Unterweißenbrunn, in an area that is known today as the abandoned village (Wüstung) of Altenbrenda.