The 2005 CIA World Factbook

by United States. Central Intelligence Agency

Gibraltar
territorial sea: 3 nm

Glorioso Islands
territorial sea: 12 nm
exclusive economic zone: 200 nm

Greece
territorial sea: 12 nm
continental shelf: 200-m depth or to the depth of exploitation

Greenland
territorial sea: 3 nm
continental shelf: 200 nm or agreed boundaries or median line
exclusive fishing zone: 200 nm or agreed boundaries or median line

Grenada
territorial sea: 12 nm
exclusive economic zone: 200 nm

Guadeloupe
territorial sea: 12 nm
exclusive economic zone: 200 nm

Guam
territorial sea: 12 nm
exclusive economic zone: 200 nm

Guatemala
territorial sea: 12 nm
exclusive economic zone: 200 nm
continental shelf: 200-m depth or to the depth of exploitation

Guernsey
territorial sea: 3 nm
exclusive fishing zone: 12 nm

Guinea
territorial sea: 12 nm
exclusive economic zone: 200 nm