Ewa is one of the woredas in the Afar Region of Ethiopia. Part of the Administrative Zone 4, Ewa is located near the base of the eastern escarpment of the Ethiopian highlands, and bordered on the south by the Administrative Zone 1, on the west by the Amhara Region, on the north by Gulina, and on the east by Aura; part of its boundary with Zone 1 is defined by the Logiya River.