Answer: Yes. Look in these directories to see the country maps shipped with your version of JMP.
JMP (PC): C:\ProgramFiles\SAS\JMP\12\Maps
JMP Pro (PC): C:\ProgramFiles\SAS\JMPPRO\12\Maps
JMP or JMP Pro (Mac): /Users/<user name>/Library/Application Support/JMP/Maps
See Olivia Lippincott's ollipp Using Geographic Maps webcast video.