Implementations disclose geographically-aware electronic traveling advertisements. A method includes providing, by a mobile advertising unit, advertisements for display on an electronic display of the mobile advertising unit, wherein the advertisements are stored in a data store of the mobile advertising unit, receiving a priority advertisement and rules corresponding to the priority advertisement, wherein the rules comprise a range of locations that trigger display of the priority advertisement and a time range to trigger display of the priority advertisement, identifying a current location of the mobile advertising unit from a location unit of the mobile advertising unit and a current time, determining that at least one of the current location is within the range of locations of the rules for the priority advertisement or the current time is within the time range of the rules for the priority advertisement, and providing the priority advertisement for display on the electronic display.