An information system that manages collection from and delivery to one or more areas in a vehicle that can be used as a collection-delivery destination of an item, the information system includes: an acceptance unit configured to accept a request for collection and delivery of the item from and to the areas; an acquisition unit configured to acquire parking position information and attribute information; and a management unit configured to determine whether a delivery vehicle carrying the item will be able to arrive at a parking position based on the parking position information and the attribute information.