Presenting hierarchies of map data at different zoom levels

The invention relates to presenting hierarchies of map data at different zoom levels. A map is provided for display by one or more computing devices (110, 120, 130, 140, 150). The map includes a first set of geographic locations. The one or more computing devices receive a zoom request for viewing the map. The one or more computing devices then determine whether a zoom level cutoff has been traversed. If so the one or more computing devices may select a second set of geographic locations, from a hierarchy of geographic locations, to be displayed to the user.