Frisland

The Zeno map showing Frisland to the lower left
Frisland detail from Mercator's 1623 Arctic map

Frisland, also called Frischlant, Friesland, Frislanda, Frislandia, or Fixland, is a phantom island that appeared on virtually all of the maps of the North Atlantic from the 1560s through the 1660s.