Das Neue Schloss , one of the last large city palaces to be built in Southern Germany, is the magnificent 17th Century Baroque residence of the Kings of Württemberg from 1746 to 1797 and from 1805 to 1807 (often exchanging this honor with the nearby Ludwigsburg Palace). It was commissioned by the young Duke Carl Eugen, was built and modified by Nikolaus Friedrich Thouret, Leopold Retti, Philippe da la Guepière, Reinhard Heinrich Ferdinand Fischer.