wilaya
a province or administrative division in some Arabic countries
The wilayas [provincial governorates] of Illizi and Adrar in the Sahara have the highest number of cultural associations for their populations, according to the ministry's figures.
Where it comes from
Borrowed from Arabic وِلَايَة (wilāya). Doublet of vilayet and wilayat.
Adapted from the Wiktionary entry wilaya (CC BY-SA 4.0).