75 degrees North and 25 degrees West is located in the Arctic Ocean, specifically in the Greenland Sea.

Here's why:

* Latitude: 75 degrees North places you very far north, well within the Arctic Circle.

* Longitude: 25 degrees West puts you in the middle of the Atlantic Ocean, between Greenland and Norway/Iceland.

It's important to note that this location is in the middle of the ocean, so there is no landmass at these exact coordinates.