Arab-Berber of the Arab conquest of North Africa, and the intermarriage between the Arabian and Persian people who immigrated to those regions and local mainly Roman Africans and other Berber people; in addition, Banu Hilal and Sulaym Arab tribes originating in the Arabian Peninsula invaded the region and intermarried with the local rural mainly Berber populations, and were a major factor in the linguistic, cultural and ethnic Arabization of the Maghreb. Alongside Berber speakers, arabized Berbers form the core of the native populations of the Maghreb, namely Algeria, Libya, Morocco and Tunisia. Arab-Berbers primarily speak variants of Maghrebi Arabic, also known
Matmata Berber region, showing lexical variation, while Penchoen (1968) offers a general discussion of Tunisian Berber and the effects of schooling. Collins (1981) discusses its verbal morphology along with that of other Tunisian Berber varieties. The only general grammatical sketch and vocabulary available is the website put together by Larbi Ben Mamou, a native speaker of the language. "Ethnologue" treats it as part of the Nafusi language spoken in northwestern Libya, although the two belong to different subgroups of Berber according to Kossmann (1999). Matmata Berber Matmata Berber is a Zenati Berber dialect spoken around the town of Matmâta in southern Tunisia,