Unterhof Castle is a castle in the municipality of Diessenhofen of the Canton of Thurgau in Switzerland. It is a Swiss heritage site of national significance.
Wikipedia https://en.wikipedia.org/wiki/Unterhof_Castle
Address 15 Kirchgasse, Diessenhofen 8253, Switzerland
Coordinates 47°41'24.264" N 8°44'51.967" E
