Kungshatt,  a small island in Lake Mlaren, Stockholm, Sweden,  is named after the copper hat put in place on top of a cliff facing Vrberg, which is according to a legend, a Swedish king jumped off the cliff while fleeing from his enemies, dropping his hat in the process.
The island is named after the copper hat put in place on top of a cliff facing towards VArberg. According to legend, a Swedish king jumped off the cliff while fleeing from his enemies, dropping his hat in the process. 
