Palearctic
largest of the Earth's eight biogeographic realms / From Wikipedia, the free encyclopedia
The Palearctic (or 'Palaearctic') ecozone is one of the eight dividing the Earth's surface.
The Palearctic is by far the largest ecozone. It includes the terrestrial ecoregions of Europe, Asia north of the Himalayan foothills, northern Africa, and the northern and central parts of the Arabian Peninsula.