The Royal Castle Dresden ''Residenzschloss'', was for almost four centuries the residence of the electors and kings of Saxony. Today it is a museum with four main collections: the Historic and New Green Vault (Grünes Gewölbe), the Collection of Prints, Drawings and Photographs (Kupferstich-Kabinett), as number three the Dresden Armoury with the Turkish Chamber and finally the Numismatic Cabinet.