Imaginary voyage is a narrative genre which presents fictitious locations in the form of a travel narrative, but has no generally agreed-upon definition. It has been subdivided into fantastic voyages and realistic voyages depending on the prominence of "marvelous or supernatural elements".: 104–105  It can be a utopian or satirical representation put into a fictional frame of travel account. It has been regarded as a predecessor of science fiction. Source: Wikipedia (en)