Dresden Castle or Royal Palace (German: Dresdner Residenzschloss or Dresdner Schloss) is one of the oldest buildings in Dresden. For almost 400 years, it has been the residence of the electors (1547–1806) and kings (1806–1918) of Saxony of the Albertine line of the House of Wettin. It is known for the different architectural styles employed, fromBaroque to Neo-renaissance.