The Kembata Tembaro zone is part of the Southern Nations, Nationalities, and Peoples Region (the SNNPR.) Here is a map of the SNNPR to get an idea of where the KT zone is located.
Now that you have some idea of the geography of the area, here is a list of place names within Kembata. Use this with the detailed KT map to pinpoint a specific woreda or kebele. And finally, here is a wonderfully detailed document describing all kinds of aspects of life in Kembata, from language to religion to housing. The author of both of these documents, as well as the Kembata Tembaro & Hadiya map, is Desta Sium.