1. A method, comprising: performing, by one or more computing devices: accessing, for points of interest in a map region, ranking data for the points of interest; determining, for a current display area of a map view of the map region, that a display of a designation for a point of interest of the points of interest would not interfere with any display of any designation for any higher ranked point of interest; determining, for any expanded display area of the map view, that the display of the designation of the point of interest in any expanded display area of the map view would not interfere with any display of any designation for any other higher ranked point of interest; and in response to said determining that the display of the designation for the point of interest would not interfere with either the display of any designation for any higher ranked point of interest in the current display area of the map view or the display of any designation for any other higher ranked point of interest in the expanded display area of the map view: displaying the designation for the point of interest in the current display area of the map view for the map region.