Adelsberg may refer to:
*Adelsberg, the German name for
Postojna
Postojna (; , ) is a town in the traditional region of Inner Carniola, from Trieste, in southwestern Slovenia. It is the seat of the Municipality of Postojna. , a town in Inner Carniola, Slovenia
*
Adelsberg (Gemünden am Main), a settlement in Main-Spessart, Bavaria, Germany
*
Adelsberg (hill), a mountain of Saxony, Germany
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