Georgia:
none
Germany:
none
Ghana:
none
Gibraltar:
source of friction between Spain and the UK
Glorioso Islands:
claimed by Madagascar
Greece:
complex maritime, air, and territorial disputes with Turkey
in Aegean Sea; Cyprus question with Turkey; dispute with The Former
Yugoslav Republic of Macedonia over its name
Greenland:
none
Grenada:
none
Guadeloupe:
none
Guam:
none