Haus Wittgenstein, residence of Margaret Stonborough-Wittgenstein in Vienna, Austria, partly designed by her brother Ludwig
Wittgenstein or Wittgensteiner Land [de], a former Westphalian principality merged with Kreis Wittgenstein before being incorporated into Kreis Siegen-Wittgenstein, Germany
Wittgenstein Castle, near Bad Laasphe, Germany, seat of the principality of Wittgenstein
Sayn-Wittgenstein, a German noble family, formerly counts of Wittgenstein