Five
Wisconsin can be divided into five main land regions: the Lake Superior Lowland in the northwest, the Northern Highland in the north, the Central Plain in the center, the Eastern Ridges & Lowlands in the east, and the Western Upland in the southwest.
10 land regions
5 . Five
4 main land regions
Illinois has 3 land regions.
Nebraska has 49 land regions
2 main land regions
three main land regions
There are 4 main land regions.
Nogeroa has 10 land regions.
There is three land regions in Costa Rica.
about 4 or 5 5 main land regions