Sayn-Wittgenstein-Berleburg was one of several imperial counties and later principalities ruled by the House of Sayn-Wittgenstein. Most of the former county is located in the present district of Siegen-Wittgenstein (in the modern state of North Rhine-Westphalia), Germany. The residence was the town and palace in Berleburg (now Bad Berleburg). History. https://en.wikipedia.org/wiki/Sayn-Wittgenstein-Berleburg