The Ouadda?region in the east of this country has capital at Ab?h?
The Ouadda?region in the east of this country has capital at Ab?h? and this country's largest and northern-most region, Borkou-Ennedi-Tibesti, contains Emi Koussi in the Tibesti mountains. The legendary Sao empire ruled this present-day country which contains the Bongor region, and other cities in this country include Sarh and Moundou. The Kanem region is north of a feature supplied by the Chari and Logone rivers, and that lake has been negatively affected by irrigation in the region. For 10 points, name this African country, bordered on the east by the Sudan, whose capital is N'Djamena and which shares its name with a shrinking lake.
The Ouadda?region in the east of this country has capital at Ab?h?
Republic of Chad [or Republique du Tchad]