Friedrichstein may refer to:
* Friedrichstein, former German name of
Gęsiniec, a village in Poland
* Friedrichstein, Gottschee German name of , a mountain peak and former castle of the
Blagaj family
The Blagaj family or Blagay were a Croatia
Croatia, officially the Republic of Croatia, is a country in Central Europe, Central and Southeast Europe, on the coast of the Adriatic Sea. It borders Slovenia to the northwest, Hungary to the n ...
in Kočevje, Slovenia
*
Friedrichstein Palace
Friedrichstein Palace ( was a baroque palace near Königsberg, East Prussia. It was designed by Jean de Bodt, and constructed between 1709 and 1714. The palace was the main residence of the Dönhoff family.
The palace was one of the so-calle ...
, a former palace near Königsberg in East Prussia, main seat of the Dönhoff family
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