The driest land region on Earth is the McMurdo Dry Valleys in Antarctica. This area receives very little precipitation, often less than 10 millimeters (0.4 inches) annually, and features extreme arid conditions due to its high altitude and geographical isolation. The cold climate prevents moisture from accumulating, making it one of the most extreme desert environments on the planet.
I believe it is the Columbia Plateau.
the most dry land region is columbia plateau
The driest land region is the Atacama Desert in South America. It receives nearly no precipitation in some areas, making it one of the most arid places on Earth.
The driest region in Victoria is the Mallee region
Mountains and Basins region(:
Yes, it is the driest region in mainland Southeast Asia.
Southwest
desert
The northeastern region, particularly in Bahia and Pernambuco.
The Mojave Desert is the driest region in the United States.
The region in Texas with the driest climate is typically the Trans-Pecos region in the western part of the state. This area experiences low rainfall and high temperatures, with desert-like conditions prevailing.
The Atacama Desert of Chile is the driest area in South America.