Domestic dogs are now found worldwide. Their wild ancestors, gray wolves occurred in northern hemisphere continental areas, including North America and the Palearctic.

Biogeographic Regions: nearctic (Introduced , Native ); palearctic (Introduced , Native ); oriental (Introduced ); ethiopian (Introduced ); neotropical (Introduced ); australian (Introduced ); oceanic islands (Introduced )

Other Geographic Terms: cosmopolitan