Menz Gera Midir is one of the woredas in the Amhara Region of Ethiopia. It is partly named after the northern district of the former province of Menz, Gera Meder. Located at the eastern edge of the Ethiopian highlands in the Semien Shewa Zone, Menz Gera Midir is bordered on the south by Menz Lalo Midir, on the southwest by Menz Keya Gebreal, on the west by the Qechene River which separates it from the Debub Wollo Zone, on the north by Geshe Rabel, on the northeast by Antsokiyana Gemza, and on the east by Efratana Gidim. The administrative center of this woreda is Mehal Meda. Menz Gera Midir was part of former Gera Midirna Keya Gebriel woreda.
Based on the 2007 national census conducted by the Central Statistical Agency of Ethiopia (CSA), this woreda has a total population of 120,469, of whom 58,827 are men and 61,642 women; 11,055 or 9.18% are urban inhabitants. The majority of the inhabitants practiced Ethiopian Orthodox Christianity, with 99.56% reporting that as their religion.