Originally based on boundaries used in UNOCHA 27 March 2013 map (new URL, archive link).

Updated on 6 November 2017 to reflect Afar Zone 1 change in UNOCHA 5 January 2015 Map (new URL, archive link) (border now diverts around Kurri woreda instead of cuts across).

Updated on 11 December 2021 to reflect numerous new zones and border changes in UNOCHA 2 October 2020 Map and the addition of Southwest Ethiopia Region on 23 November 2021.

Updated on 29 November 2023 to reflect numerous new zones and border changes and the splitting of the Southern Nations, Nationalities and Peoples' Region into the South and Central Ethiopia Regional States as a result of the 2023 South Ethiopia Region referendum.

Sources:

• For general zone borders:

• UNICEF Ethiopia WASH Cluster Operational Presence Map 2023 (20 November 2023) (archive link)
• UNHCR Ethiopia ES/NFI Cluster Monthly Operational Presence of Organizations Map (October 2023) (archive link)
• Ethiopia ES/NFI Cluster Monthly Operational Presence of Organizations Tigray Region Map (October 2023) (archive link)
• UN-OCHA Ethiopia - National Access Map (25 October 2023) (archive link)

• For subdivisions and internal borders of the Central Ethiopia Regional State: Central Ethiopia Regional State – Investment Potential Guidebooklet, Dr. Abbas Mohammed, CERS Industry and Tourism Office (archive link)
• For borders of Ari Zone: USAID Ethiopia South Omo Zone Conflict Assessment Final Report (24 September 2021), p. 7 (archive link)
• For status of Konta, Basketo, Derashe, Amaro, Burji and Konso as either a zone or a special woreda: various official Facebook pages of local authorities
• For transliterations: general consistency with the corresponding Wikipedia articles and Google Maps