Namutumba District was created by Act of the Ugandan Parliament in 2005 and became operational on 1 July 2006. Prior to that the district was part of Iganga District and was known as Busiki County. Namutumba District is part of Busoga sub-region. The districts that constitute the sub-region include the following: 1. Bugiri District 2. Buyende District 3. Bugweri District 4. Iganga District 5. Jinja District 6. Kaliro District 7. Kamuli District 8. Luuka District 9. Mayuge District 10. Namayingo District and 11. Namutumba District
