Assosa is a zone in Benishangul-Gumuz Region of Ethiopia. This Zone was named after the Assosa Sultanate, which had approximately the same boundaries. Assosa is bordered on the south by the Mao-Komo special woreda, on the west by Sudan, and on the northeast by the Kamashi. The largest town in this zone is Assosa. Its highest point is Mount Bambasi, located in the woreda of the same name. The majority ethnic group in the zone is the Berta people. The area Assosa occupies came under Ethiopian control in 1898, when Emperor Menelik II skillfully exploited the traditional rivalry of the three local rulers, Sheikh Ejail al-Hassan of Asosa, Sheikh Mahmud of Komosha and Sheikh Abd al-Rahman Al-Ejail of Bela-Shangul proper. When Ethiopia and the British administration of Sudan demarcated their common border in 1902, this finalized their annexation. Demographics Based on the 2007 Census conducted by the Central Statistical Agency of Ethiopia (CSA), this Zone has a total population of 310,822, of whom 158,932 are men and 151,890 women. 39,957 or 12.86% of population are urban inhabitants. A total of 72,879 households were counted in this Zone, which results in an average of 4.27 persons to a household, and 69,378 housing units. The four largest ethnic groups reported in the Asosa Zone were the Berta (59.95%), the Amhara (23.86%), the Oromo (10.31%), and the Tigrayans (1.5%), 1.48% of the population was from Sudan; all other ethnic groups made up 2.9% of the population. Main languages are the Berta (59.31%), Amharic (25.7%), Oromo (10.68%), and Tigrinya (1.07%). The majority of the inhabitants were Muslim, with 74.08% of the population reporting that they held that belief, while 16.51% practiced Ethiopian Orthodox Christianity, and 8.57% were Protestant. Based on figures from the Central Statistical Agency in 2005, this zone has an estimated total population of 282,596, of whom 143,544 are men and 139,052 are women; 28,264 or 10% of its population are urban dwellers. With an estimated area of 14,166.12 square kilometers, Asosa has an estimated population density of 19.95 people per square kilometer. The 1994 national census reported a total population for this Zone of 208,155 in 47,755 households, of whom 106,017 were men and 102,138 were women; 16,420 or 7.89% of its population were urban dwellers. The five largest ethnic groups reported in the Asosa Zone were the Berta (54%), the Amhara (26%), the Oromo (11%), the Tigrayans (1.5%), and the