An information processing device according to one aspect includes: a storage unit configured to store, for each of a plurality of areas in which a vehicle is allowed to be parked, fee data associated with fee information, the fee information being information on a parking fee; and a control unit configured to acquire vehicle data sent from a first vehicle, and calculate a parking fee corresponding to the first vehicle based on the vehicle data and the fee data when the first vehicle is parked in any of the areas.