It covers parts of the Alba, Arad, Bihor, Cluj, and Hunedoara counties of Romania and a section of it forms the Apuseni Natural Park.
Some scholars consider the 'moți' as descendants of the Celts, because of their blonde hair and blue eyes, elements more frequent here than among other Romanians; however, the hypothesis is not accepted by mainstream historians due to its lack of consistency.
The region has a long history of resistance and fighting for political, economic, and social rights, with movements such as the Revolt of Horea, Cloșca and Crișan (1784–1785) and the Romanian component of the Transylvanian revolution of 1848 having their origins here.
The large oak, beech, and spruce forests provide the material for the famous artisanal barrels, furniture, and other specific items made there.
Along south-facing mountain slopes, and along the narrow river valleys one can found scattered cultivation of potatoes, barley, and even cold-resistant vegetables.