Commune I has a population of 335,407 people (2009) and covers . It is bounded to the north by the rural commune of Djalakorodji (Kati Cercle), west by the Commune II, north-east by the rural commune of Sangarebougou (Kati Cercle), on the east by the rural commune of Gabakourou and south by the Niger River. Nine neighborhoods comprise this commune: Banconi, Boulkassombougou, Djelibougou, Doumanzana Fadjiguila, Sotuba Korofina North, and South Korofina Sikoroni.