* North America: Canada, Alaska (USA), the northern and western United States, and Mexico.
* Europe: Scandinavia, Eastern Europe, Russia, and parts of Western Europe.
* Asia: Russia, Mongolia, China, India, and other parts of Central and Eastern Asia.
* Africa: The Arabian Peninsula.
It's important to note that wolf populations are not evenly distributed. Some countries have large wolf populations, while others have very small or even extinct populations.