Many frequent flyer programs organize their award charts by geographic zones. And all frequent flyer programs interpret these geographic zones differently. You can now visualize these zones on a map through the interface below, there are some significant differences between the programs and sometimes some strange zone definitions!
Pick a program in the first drop down list so that the second drop down list populates with that specific program's zones. Then pick a zone in the second drop down list.
Then click on "show zone" and all the destinations of that zone will be displayed on the map below.