The 83rd parallel north is a circle of latitude that is 83 degrees north of the Earth's equatorial plane, in the Arctic. It passes through the Arctic Ocean and North America.
The northernmost land on earth, whether the permanent Kaffeklubben Island or the shifting/resubmerging gravel banks of Oodaaq, ATOW1996, or 83-42 are roughly 40 minutes of arc (75 to 79 kilometres) north of this parallel.
83rd parallel north Wikipedia
Starting at the Prime Meridian and heading eastwards, the parallel 83° north passes through: