A possibility for simplifying the inputting of the destination in a motor vehicle navigation system by providing the user with useful additional items of information for the specification of ambiguous destination indications. Such a navigation system includes means for destination input, a navigation module for route planning, and means for displaying information, in particular indications of location, additional items of information concerning the indications of location, and route information, the means for destination input supporting a hierarchical, interactive inputting of the destination, by providing the user, in the case of ambiguous textual destination indications, with a choice of destination alternatives, including additional items of specifying information, until an unambiguous destination indication is made. The textual destination indications are stored together with corresponding geographic coordinates. The geographic coordinates are used for the determination of the additional items of information for the specification of destination alternatives.