 The total land area of the eparchy is about 12,000 square kilometers with an estimated population of 4 million.The major ethnic groups are the Guraghe and the Oromo, with a variety of minority ethnic communities.Emdibir Catholic Secretariat (EmCS) was established in April 2004 with the mandate to coordinate and facilitate all pastoral, social and development activities of the Catholic Church in the Eparchy of Emdibir.