Grotten (Norwegian: Grotto) is an honorary residence owned by the Norwegian state. Since the 1920s it has been given as a permanent residence to a person specifically bestowed this honour by the King of Norway.
Grotten is a nineteenth-century building located on the premises of the Royal Palace in the city centre of Oslo. The house is situated on a rocky outcrop at the edge of Palace Park (Slottsparken). It was originally the home of the poet Henrik Wergeland who lived there from 1841 to 1845.
The writer and playwright Jon Fosse has lived in Grotten since 2011. The previous recipients of the honour have included:composer Christian Sinding
writer Arnulf Øverland
composer Arne Nordheim