Friedrichsburg (German for "Frederick's castle") may refer to: *

Fort Friedrichsburg 300px, Friedrichsburg is situated in the western Pregel in this map of Königsberg from 1905. 300px, Fort Friedrichsburg in modern Kaliningrad Fort Friedrichsburg or Feste Friedrichsburg was a fort in Königsberg, Germany. The only remnant of th ...

in Königsberg, Prussia *

Groß Friedrichsburg Gross or Groß in German is the correct spelling of the surname under German orthographic rules. In Switzerland, the name is spelled Gross. Some Germans and Austrians also use the spelling with "ss" instead of "ß". It is a surname of German, Pru ...

, colonial fort in Ghana *Friedrichsburg, a castle which preceded Mannheim Palace *a part of Hessisch Oldendorf, Hesse *a former palace in Lampertheim, Hesse

See also