Ethiopia. Southern Nations, Nationalities, and Peoples' Region. Omo Valley. Hayzo Village. High altitude: 2800 meters. Dorze tribe. A smiling woman. The Dorze are a small ethnic group inhabiting the Gamo Gofa Zone who speak the Dorze language, an Omotic tongue. The Dorze are predominantly agriculturalists living in permanent villages. Well known cotton weavers, the Dorze tribe were once warriors. The Dorze numbered 40'000 reside in villages near the cities of Chencha and Arba Minch. Southern Nations, Nationalities, and Peoples' Region (often abbreviated as SNNPR) is one of the nine ethnic divisions of Ethiopia. 5.11.15 © 2015 Didier Ruef