Neugebäude Palace (German: Schloss Neugebäude) is a large Mannerist castle complex in the Simmering dictrict of Vienna, Austria. It was built from 1569 onwards at the behest of the Habsburg emperor Maximilian II on the alleged site of Sultan Suleiman's tent city during the 1529 Siege of Vienna and apparently modeled after it.
It fell into disuse already in the 17th century and today stands in ruins. Under monumental protection since the 1970s, there are various efforts to restore the site.
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