The Northern Mariana Islands is the island group in this region located furthest north.
It's the furthest point west.
ICELAND
That'll be Alderney.
The island of Hawaii, also known as The Big Island.
Adak, Alaska
The big island of Hawaii is furthest south.
Green land
Saint Simons Island
The furthest back time zone in the world is UTC-12, also known as the Baker Island time zone.
Hawaii Island, also commonly known as the Big Island, is the southernmost island in the Hawaiian Islands. The southernmost point in the United States is at the southern tip of the island and is known as Ka Lae.
Nunavut, Canada, is the furthest north but Greenland cartographers have found that Kaffeklubben Island (not a country) is farther north than any previously known point of land.