Drottningholm Castle (Drottningholms slott in Swedish) is the private residence of the Swedish royal family. It' located in Drottningholm. Go on a day trip to Drottningholm and experience a historical milieu at the highest level. Drottingholm Castle is a world heritage site because of its beauty and important history. Through the Mälarensee lake, S/S Drottningholm and M/S Prins Carl Philip take you to Drottningholm Castle, the residence of the Swedish royal family.