* The Western United States: This region is known for its Rocky Mountains, Sierra Nevada, Cascade Range, Great Basin, Colorado Plateau, and Pacific Coast Ranges.
* Western Europe: This region has the Pyrenees, Alps, Apennines, Carpathian Mountains, and Scandinavian Mountains.
* Western Asia: This region includes the Taurus Mountains, Zagros Mountains, Elburz Mountains, and the Caucasus Mountains.
* Western Australia: This region features the Darling Range, the Hamersley Range, the Kimberley Plateau, and the Pilbara.
Once you clarify which "west region" you're interested in, I can provide more specific information on the major landforms present there.
