The Maghreb (Arabic: ْاَلْمَغْرِب, al-Maghrib, 'the west' ), also known as the Arab Maghreb (Arabic: اَلْمَغْرِبُ الْعَرَبِيُّ, al-Maghrib al-ʿArabi, 'the Arab west') and Northwest Africa, is the western part of the Arab world. The region comprises western and central North Africa, including Algeria, Libya, Mauritania, Morocco, and Tunisia. The Maghreb also includes the disputed territory of Western Sahara. As of 2018, the region had a population of over 100 million people.