From 1725 to 1778, the counts palatine resided in Zweibrücken Palace; they then moved to Karlsberg Castle near Homburg, to emphasize their claim to inherit the Duchy of Bavaria.
Aastatel 1725–1778 resideerusid pfaltskrahvid Zweibrückeni lossis; siis kolisid nad Karlsbergi lossi Homburgi lähedal, et rõhutada oma nõudlust pärida Baieri hertsogkond.